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Tylenol, adding cyanide to the bottles, and returning them to the store shelves. Lewis was also found to have previously possessed a poisoning book, and, according to a confidential law-enforcement document, his fingerprints were discovered on pages related to cyanide. Lewis denied being responsible for the poisonings, but he admitted to writing the letter, which he said he had worked on for three days. During the trial, his attorneys claimed that Lewis "intended only to focus the attention of the authorities on his wife's former employer." Lewis was convicted of extortion and sentenced to 10 years in prison. In 2007, authorities determined that the letter had an
October 1, 1982, postmark, meaning that, if Lewis's three-day timeline was accurate, he would have begun working on the letter prior to the first news reports concerning the poisonings. When confronted with this information, Lewis recanted his timeline. Court documents released in early 2009 "show
352:, which contained instructions on making potassium cyanide, was found in Arnold's home. Arnold was held several times by the police, but never charged. In the summer of 1983, Arnold, mistaking John Stanisha (a random passerby) for Sinclair, shot and killed Stanisha, a computer consultant and father of three, who was leaving a bar with multiple friends. Arnold was convicted of the killing in January 1984 and served 15 years of his 30-year sentence for second-degree murder, saying in 1996 from prison: "I killed a man, a perfectly innocent person. I had choices. I could have walked away." He died in June 2008. In 2010, Arnold's body was exhumed (and subsequently reburied) so that his femur bone could be removed for DNA testing. Arnold's DNA did not match the DNA samples discovered on the bottles.
479:. This way it could have a part in searching for the person who laced the capsules and they could help prevent further tampering. While at the time of the scare the company's market share collapsed from 35 percent to 8 percent, it rebounded in less than a year, a move credited to the company's prompt and aggressive reaction. In November, it reintroduced capsules in a new, triple-sealed package, coupled with heavy price promotions. Within several years, Tylenol regained the highest market share for the over-the-counter analgesic in the US.
267:, a nationwide recall of Tylenol products was issued on October 5, 1982; an estimated 31 million bottles were in circulation, with a retail value of over US$ 100 million (equivalent to $ 316 million in 2023). The company also advertised in the national media for individuals not to consume any of its products that contained acetaminophen after it was determined that only these capsules had been tampered with. Johnson & Johnson also offered to exchange all Tylenol capsules already purchased by the public for solid tablets.
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348:, who told officers that he possessed potassium cyanide. Bar owner Marty Sinclair, whose establishment Arnold frequented, reported Arnold to the police, saying that Arnold had discussed killing people with a white powder and had become increasingly erratic after his marriage had dissolved. Arnold had worked with victim Mary Reiner's father at a warehouse, and Arnold's wife had been treated at a hospital across the street from the store in which Reiner bought her cyanide-laced pills. A copy of
487:
recall insurance. McNeil sued again in court, further contending that the language of its excess liability insurance policy covered the recall and recall-related expenses. The court hearing that case rejected a claim of liability, stating that the recall "was not caused by liability for the seven deaths; it was at best merely related to the seven deaths in that they served as notice to the plaintiff that the
Tylenol remaining on the shelves was potentially harmful."
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199:'s only public health official, visited the Janus household and discovered a Tylenol bottle with an accompanying receipt indicating it had been purchased the same day. Noticing that there were six pills missing, she turned the bottle over to investigator Nick Pishos and reported her suspicion that it was related to the Janus' deaths. Pishos called Dr. Edmund R. Donoghue, deputy chief medical examiner for Cook County, who, suspecting that
192:; she died the next day. On September 29, six other individuals consumed contaminated Tylenol, including Adam Janus (27), Stanley Janus (25), and Theresa Janus (20), who each took Tylenol from a single bottle. All six—the Januses, Mary McFarland (31), Paula Prince (35), and Mary Reiner (27)—would ultimately die from consuming the pills.
517:
Additionally, the incident prompted the pharmaceutical industry to move away from capsules, which were easy to contaminate as a foreign substance could be placed inside without obvious signs of tampering. Within the year, the FDA introduced more stringent regulations to avoid product tampering. This
331:
During the initial investigations, a man named James
William Lewis was accused of sending a letter to Johnson & Johnson demanding $ 1 million to stop the cyanide-induced murders. Upon his arrest, Lewis told authorities how the person behind the attacks may have carried out the killings—by buying
455:
capsules were determined to be the source of the cyanide found in his body. His death was ruled as a homicide on May 30, 1986. On June 19, 1986, the AP reported that the Travis County
Medical Examiner ruled his death a likely suicide. The FDA determined he obtained the poison from a lab in which he
215:
for all
Tylenol from that lot. But when tainted bottles from other lots were discovered (for example, the pills in Mary McFarland's possession were traced to lots 1910 MD and MB 2738), the recall expanded to cover those lots and any bottle of extra-strength capsules (from any lot) purchased in the
486:
submitted a claim to its insurance company, Affiliated FM Insurance, for the cost of carrying out the recall, a claim which was later denied. A lawsuit determined that McNeil
Laboratories was ultimately not covered because the parent company Johnson & Johnson elected not to buy more expensive
203:
may be the culprit, asked Pishos to smell the bottle. When Pishos smelled an almond-like scent, Donoghue asked the county's chief toxicologist, Dr. Michael
Schaffer, to test the capsules, and Schaffer's team determined that four of the 44 remaining capsules from the Janus' bottle contained nearly
336:
investigators concluded Lewis was responsible for the poisonings, despite the fact that they did not have enough evidence to charge him". In
January 2010, both Lewis and his wife submitted DNA samples and fingerprints to authorities. Lewis said "if the FBI plays it fair, I have nothing to worry
490:
In 1991, Johnson & Johnson agreed to settle, for an undisclosed sum, all lawsuits against it for the original
Chicago area deaths. Robert Kniffin, a spokesman for Johnson & Johnson, stated that "though there is no way we could have anticipated a criminal tampering with our product or
360:
In early
January 2009, Illinois authorities renewed the investigation. Federal agents searched the home of Lewis in Cambridge, Massachusetts, and seized a number of items. In Chicago, an FBI spokesman declined to comment but said "we'll have something to release later possibly".
2080:"A Bitter Pill – Someone Killed Seven People by Putting Cyanide in Tylenol Capsules – When James Lewis Was Caught for Writing an Extortion Letter, Prosecutors Appeared To Stop Looking for the Killer – Almost 20 Years Later No One Has Been Convicted of the Murders"
293:
in some of the capsules, and then placed the packages back on the store shelves to be purchased by unknowing customers. In addition to the five bottles that led to the victims' deaths, a few other contaminated bottles were later discovered in the Chicago area.
474:
in which the company's response did more damage than the original incident", and applauded the company for being honest with the public. In addition to issuing the recall, the company established relations with the Chicago Police Department, the FBI, and the
371:
This review was prompted, in part, by the recent 25th anniversary of this crime and the resulting publicity. Further, given the many recent advances in forensic technology, it was only natural that a second look be taken at the case and recovered evidence.
538:
at Halloween is rare, the Tylenol incident, which unfolded across October 1982, raised renewed fears of it. Some communities discouraged trick-or-treating for Halloween, and American grocery stores reported that candy sales were down more than 20%.
380:
in connection to the Tylenol murders. Kaczynski denied having ever possessed potassium cyanide. The first four Unabomber crimes happened in Chicago and its suburbs from 1978 to 1980, and Kaczynski's parents had a suburban Chicago home in
2130:
289:—suggesting that the capsules were tampered with after the product had been placed on store shelves for sale. The police hypothesis was that someone had taken bottles off shelves in local stores of the Chicago area, placed
1861:
315:
on the theory that the perpetrator might visit the house or gravesite if they were made aware of their locations. Both sites were kept under 24-hour video surveillance for several months, but the killer did not surface.
258:
In an effort to reassure the public, Johnson & Johnson, the manufacturer of Tylenol, distributed warnings to hospitals and distributors and halted Tylenol production and advertising. After other incidents, like
43:
1191:
414:
capsules in Washington state were tampered with, resulting in the deaths of Susan Snow and Bruce Nickell from cyanide poisoning and the eventual arrest and conviction of Bruce Nickell's wife,
207:
By chance, the bottle of Tylenol that Kellerman used was inventoried by paramedics. Investigators noticed that the Janus bottle and the Kellerman bottle came from the same lot, MC2880, and
1766:
398:
Hundreds of copycat attacks involving Tylenol, other over-the-counter medications, and other products also took place around the United States immediately following the Chicago deaths.
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published the address and grave location of the first and youngest victim, Mary Kellerman. The story, written with the Kellerman family's consent, was proposed by FBI criminal analyst
1480:
1056:
436:, and Jennifer Meling went into a coma from a similar poisoning but recovered shortly thereafter. Jennifer's husband, Joseph Meling, was convicted on numerous charges in a federal
1270:
1853:
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2024:
734:
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777:
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about". The DNA samples did not match any DNA recovered on the bottles. Lewis continued to deny responsibility for the poisonings. Lewis died on July 9, 2023, at age 76.
591:
323:
at 1601 North Wells Street in Chicago was released by the Chicago Police Department. Police believe that a bearded man seen just feet behind Prince may be the killer.
1412:
364:
In 2010, DNA samples were collected from Lewis and Arnold, whose body was exhumed for that purpose; neither's DNA matched DNA samples found on the tainted bottles.
518:
led to the eventual replacement of the capsule with the solid "caplet", a tablet made in the shape of a capsule, as a drug delivery form and with the addition of
2212:
440:
court regarding the deaths of Daneker and McWhorter and the attempted murder of his wife, who was abused during the Melings' marriage. Meling was sentenced to
1367:
219:
A multi-agency investigation found the tampered pills to have been sold or on the shelves at a variety of stores in the Chicago area, including two different
429:
was recalled after a spiking hoax in Chicago and Detroit that resulted in a precipitous sales drop and a withdrawal of the pain reliever from the market.
2267:
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1800:
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Law-enforcement officials received a number of tips related to the case coinciding with its 25th anniversary. In a written statement, the FBI explained,
1022:
494:
The crisis management response, taught today as a model of corporate public relations, is chiefly credited to public relations executive Harold Burson.
470:
said, "Johnson & Johnson has effectively demonstrated how a major business ought to handle a disaster". The article further stated that "this is no
1187:
1925:
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1344:
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1541:
999:
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1453:
936:
Wolnik, Karen A.; Fricke, Fred L.; Bonnin, Evelyn; Gaston, Cynthia M.; Satzger, R. Duane (March 1, 1984). "The Tylenol Tampering Incident".
17:
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three times the fatal amount of cyanide. Authorities held a press conference advising the public not to take Tylenol for the time being.
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2013:
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176:, that took responsibility for the deaths and demanded $ 1 million to stop them. The incidents led to reforms in the packaging of
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892:
548:
1575:
867:
1705:
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1657:
1574:(213). Food and Drug Administration, United States Department of Health and Human Services: 59463–59471. November 4, 1998.
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1976:
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1900:
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and improved quality control methods. Moreover, product tampering was made a federal crime. The new laws resulted in
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1939:
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38:
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In 1991 in Washington state, Kathleen Daneker and Stanley McWhorter were killed from two cyanide-tainted boxes of
1957:
1734:"Judge Refuses To Order Retrial In Sudafed Case Convicted Robber's Confession Found To Be 'Totally Incredible'"
1241:"Chicago Tylenol murders 40 years later: Who have investigators identified as suspects or persons of interest?"
979:
1788:
2232:
1214:
1995:
1917:
1057:"Movement in the Tylenol murders: Law enforcement seeks to persuade prosecutors to act on 'chargeable' case"
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Johnson & Johnson received positive coverage for its handling of the crisis; for example, an article in
2237:
2050:
476:
1822:
1336:
910:
819:
224:
196:
735:"The Tylenol murders: The story of a 40-year-old unsolved case begins with a terrifying medical mystery"
673:
653:"Chicago Tylenol Murders: 3 members of Janus family died in 1982, and pain has passed on to generations"
2247:
2138:
1883:
Andrews, Robert V. (2005). "Crisis Communications and the Tylenol Poisonings". In Heath, Robert (ed.).
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843:
503:
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prevented it, we wanted to do something for the families and finally get this tragic event behind us."
483:
471:
451:
student Kenneth Faries was found dead in his apartment after succumbing to cyanide poisoning. Tampered
251:). One bottle had been purchased but, due to an off scent, not yet used by Linda Morgan, wife of Judge
1215:"James Lewis, only person convicted in connection with Chicago Tylenol murders, found dead: officials"
2202:
2192:
1533:
1271:"The Tylenol murders, part 3: Chicago police zero in on a suspect, and the case claims an 8th victim"
991:
140:
61:
2257:
2242:
1449:
514:'s conviction in the Excedrin tampering case, for which she was sentenced to 90 years in prison.
228:
157:. Seven people died in the original poisonings, and there were several more deaths in subsequent
2106:
502:
The 1982 incident inspired the pharmaceutical, food, and consumer product industries to develop
188:
On September 28, 1982, 12-year-old Mary Kellerman was hospitalized after consuming a capsule of
345:
1502:
273:
at airports outside the U.S. were asking visitors if they brought Tylenol medicine with them.
2207:
1564:"Tamper-Evident Packaging Requirements for Over-the-Counter Human Drug Products (Final Rule)"
820:"Tylenol murders: Still looking for clues, investigators order new DNA tests on key evidence"
177:
1159:
2222:
621:
531:
232:
208:
173:
8:
466:
448:
437:
422:
953:
711:
248:
150:
592:"The Tylenol murders: 40 years ago, an infamous Chicago-area crime took these 7 lives"
220:
1896:
1602:
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1298:
975:
873:
863:
535:
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405:
382:
290:
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The tainted capsules were found to have been manufactured at two different locations—
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136:
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252:
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144:
2152:
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Professionalism/Johnson & Johnson's Response to the 1982 Tylenol Poisonings
2084:
1892:
1710:
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519:
511:
507:
415:
212:
99:
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A surveillance photo of Paula Prince purchasing cyanide-tampered Tylenol at a
2186:
2126:
877:
377:
240:
165:
158:
147:
34:
1688:"Retired Drugs: Failed Blockbusters, Homicidal Tampering, Fatal Oversights"
282:
95:
949:
590:
Stacy St. Clair, Christy Gutowski and Kori Rumore (September 30, 2022).
408:, after ingesting "Extra-Strength Tylenol" capsules laced with cyanide.
340:
Police also investigated a second man, Roger Arnold, a dock worker at a
216:
Chicago area, making it one of the largest pharmaceutical recalls ever.
2176:
2097:
1365:
622:"How the Tylenol murders of 1982 changed the way we consume medication"
418:, for her intentional actions in the crimes connected to both murders.
341:
308:
264:
260:
1343:. Vol. 133, no. 45924. Associated Press. January 15, 1984.
1023:"A Cambridge man might face charges over 1982 Chicago Tylenol deaths"
320:
236:
169:
91:
2171:
1268:
1054:
732:
1417:
1368:"The Tylenol Murders: Discussing New Evidence in the Unsolved Case"
1245:
824:
657:
426:
1213:
Goudie, Chuck; Markoff, Barb; Tressel, Christine (July 10, 2023).
775:
1155:
433:
270:
200:
818:
Savini, Dave; Assad, Samah; McCann, Rebecca (January 29, 2023).
376:
On May 19, 2011, the FBI requested DNA samples from "Unabomber"
164:
No suspect has been charged or convicted of the poisonings, but
1218:
452:
2023:. United States Government Printing Office. pp. 343–345.
1113:"Jurors Convict Suspect in $ 1 Million Tylenol Extortion Plot"
1366:
Trisha Rich and Maggie Mendenhall Casey (February 10, 2023).
286:
1477:"FBI Wants Unabomber's DNA for 1982 Tylenol Poisoning Probe"
778:"5 deaths tied to pills: Fear killer put cyanide in Tylenol"
728:
726:
724:
722:
195:
Asked to investigate the Janus' deaths, nurse Helen Jensen,
1760:"A University of Texas chemistry student whose body was..."
1269:
Christy Gutowski and Stacy St. Clair (September 29, 2022).
1077:"Defense Calls Publicity Goal Of Tylenol Extortion Letters"
1055:
Christy Gutowski and Stacy St. Clair (September 22, 2022).
733:
Stacy St. Clair and Christy Gutowski (September 22, 2022).
401:
Three more deaths occurred in 1986 from gelatin capsules.
1131:"Tylenol Scare Extortionist Is Given 10-Year Prison Term"
860:
Molecules of Murder: Criminal Molecules and Classic Cases
776:
Jack Houston and Jean Latz Griffin (September 22, 2022).
719:
298:
183:
1996:"Harold Burson, a Giant in Public Relations, Dies at 98"
935:
2051:"That Tainted Halloween Candy Myth Just Won't Go Away"
1624:"2nd Tainted Bottle of Tylenol Found by Investigators"
701:
699:
697:
695:
693:
691:
689:
687:
2136:
1658:"Woman Guilty of Killing 2 in Poisoned Excedrin Case"
1503:"FBI wants to test Unabomber DNA in Tylenol killings"
355:
1964:. Vol. 136, no. 46901. September 18, 1986.
1212:
840:"The woman who bought the eighth known bottle of..."
799:"The Tylenol Murders: Still Unsolved After 34 Years"
1413:"FBI Searches Home of Man Linked to Tylenol Deaths"
1188:"Friend: Tylenol Suspect Submits DNA, Fingerprints"
684:
482:After the recall, Johnson & Johnson subsidiary
1119:. Vol. 133, no. 45845. October 28, 1983.
1101:. Vol. 133, no. 45834. October 17, 1983.
1083:. Vol. 133, no. 45844. October 27, 1983.
759:"Poison— Deaths Bring U.S. Warning on Tylenol Use"
585:
583:
581:
579:
2049:Victor, Daniel; Ortiz, Aimee (October 27, 2021).
1946:. Vol. 134, no. 46511. August 24, 1985.
1264:
1262:
1260:
1258:
1256:
817:
459:
135:were a series of poisoning deaths resulting from
2184:
1854:"Tylenol's Maker Shows How to Respond to Crisis"
1706:"Man Guilty of Killing Two in Sudafed Tampering"
1050:
1048:
1046:
1044:
1042:
1040:
1038:
172:for sending a letter to Tylenol's manufacturer,
1601:. United Kingdom: C & R Crime. p. 54.
1137:. Vol. 133, no. 46076. June 15, 1984.
1095:"Trial Begins for Suspect In Tylenol Extortion"
911:"Episode 201: The Tylenol Murders (11.18.2022)"
576:
1924:. Vol. 132, no. 45804. p. L33.
1253:
1238:
893:"Tylenol Will Reappear in Triple-Seal Package"
168:resident James William Lewis was convicted of
2213:Mass murder in the United States in the 1980s
1983:. Vol. 140, no. 48600. p. A15.
1630:. Vol. 135, no. 46685. p. B2.
1035:
903:
615:
613:
611:
609:
607:
1887:. SAGE Publications, Inc. pp. 225–226.
1474:
1319:"Former Tylenol suspect charged with murder"
1295:Unsolved Murders: True Crime Cases Uncovered
1020:
765:. Vol. 132, no. 45454. p. A1.
752:
750:
223:locations (one in Arlington Heights, one in
27:Unsolved 1982 mass poisoning in Chicago, USA
2048:
1977:"Tylenol Maker Settles in Tampering Deaths"
1655:
1651:
1649:
1590:
1534:"A Brief History of the Tylenol Poisonings"
1450:"Law Enforcement To Review Tylenol Murders"
1447:
1288:
1286:
862:. Royal Society of Chemistry. p. 174.
2268:Unsolved mass murders in the United States
2263:September 1982 events in the United States
2014:"§ 1365. Tampering with consumer products"
1915:
1823:"Student's Death by Cyanide Ruled Suicide"
604:
1974:
1596:
1152:"Feds Convinced Lewis Was Tylenol Killer"
796:
747:
497:
385:, in 1982, where he stayed occasionally.
2021:Title 18 – Crimes and Criminal Procedure
1994:McFadden, Robert D. (January 10, 2020).
1993:
1916:Kleinfield, N. R. (September 17, 1983).
1646:
1531:
1380:
1283:
1181:
1179:
1177:
756:
1882:
1381:Saltzman, Jonathan (February 5, 2009).
1146:
1144:
757:McFadden, Robert D. (October 2, 1982).
671:
522:safety seals to bottles of many sorts.
276:
14:
2185:
1928:from the original on October 16, 2016.
1851:
1621:
1185:
857:
707:"Revisiting Chicago's Tylenol Murders"
672:Malcolm, Andrew H. (October 2, 1982).
650:
619:
549:List of multiple homicides in Illinois
184:Deaths and early public-safety efforts
2228:Health disasters in the United States
1833:from the original on February 4, 2020
1664:. Seattle, Washington. Archived from
1634:from the original on January 26, 2018
1622:Norman, Michael (February 14, 1986).
1578:from the original on February 1, 2017
1544:from the original on January 20, 2018
1239:Rebecca McCann (September 28, 2022).
1194:from the original on December 5, 2014
1174:
632:from the original on December 6, 2017
620:Markel, Howard (September 29, 2014).
2030:from the original on January 9, 2015
1864:from the original on August 22, 2016
1599:The Mammoth Book of Killers at Large
1292:
1141:
974:. Penguin Books (1984), pp. 344–50.
890:
180:and to federal anti-tampering laws.
2091:Mikkelson, Barbara & David P.
1940:"McNeil Lab Loses Tylenol Decision"
1803:from the original on March 26, 2019
1769:from the original on March 26, 2019
1456:from the original on April 15, 2009
1186:Lavoie, Denise (January 11, 2010).
1158:. February 12, 2009. Archived from
1021:Will Katcher (September 22, 2022).
1002:from the original on March 27, 2019
651:Savini, Dave (September 29, 2022).
24:
2105:Solomon, Michael (July 13, 2022).
2078:Bergmann, Joy (November 2, 2000).
2072:
1975:Wilkerson, Isabel (May 14, 1991).
1852:Knight, Jerry (October 11, 1982).
1532:Fletcher, Dan (February 9, 2009).
1513:from the original on June 24, 2011
1425:. February 4, 2009. Archived from
1347:from the original on March 5, 2016
444:and lost an appeal for a retrial.
404:23 year-old Diane Elsroth died in
356:21st-century investigation efforts
25:
2284:
2198:1982 murders in the United States
2119:
1789:"Cyanide Death Called a Homicide"
1483:from the original on May 22, 2011
1393:from the original on May 16, 2010
1383:"Fatal Tampering Case Is Renewed"
554:List of serial killers by country
525:
247:); and a Frank's Finer Foods (in
2170:
2158:
2146:
2125:
1885:Encyclopedia of Public Relations
1448:Fifis, Fran (February 5, 2009).
1293:Hunt, Amber (February 5, 2019).
899:. Vol. 132, no. 45495.
891:Pace, Eric (November 12, 1982).
797:Tim Moran (September 28, 2016).
680:. Vol. 132, no. 45454.
2100:: Urban Legends Reference Pages
2042:
2006:
1987:
1968:
1958:"Tylenol-Recall Liability Case"
1950:
1932:
1909:
1876:
1845:
1815:
1781:
1752:
1726:
1698:
1680:
1615:
1556:
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1441:
1405:
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1123:
1105:
1087:
1069:
1014:
984:
964:
929:
884:
851:
832:
811:
1676:– via HighBeam Research.
1370:(Podcast). Legal Talk Network.
1190:. ABC News. Associated Press.
992:"The trail of The Tylenol Man"
790:
769:
665:
644:
460:Johnson & Johnson response
143:in 1982. The victims consumed
72:September – October 1982
13:
1:
1475:Woolner, Ann (May 19, 2011).
1337:"Tylenol Figure Is Convicted"
569:
674:"Two Fireman Spotted A Link"
477:Food and Drug Administration
388:
263:added to Tylenol bottles in
18:1982 Chicago Tylenol murders
7:
2218:Deaths by cyanide poisoning
542:
393:
326:
10:
2289:
2115:. Retrieved July 14, 2022.
1918:"Tylenol's Rapid Comeback"
1893:10.4135/9781412952545.n105
1797:United Press International
844:United Press International
504:tamper-resistant packaging
472:Three Mile Island accident
2088:. Retrieved May 19, 2011.
1597:Cawthorne, Nigel (2011).
350:The Poor Man's James Bond
153:that had been laced with
141:Chicago metropolitan area
121:
113:
105:
84:
76:
68:
62:Chicago metropolitan area
57:
52:
2253:1980s crimes in Illinois
559:List of unsolved murders
2273:Mass murder in Illinois
1202:– via boston.com.
133:Chicago Tylenol murders
53:Chicago Tylenol murders
39:Infobox civilian attack
31:
498:Pharmaceutical changes
374:
297:In early 1983, at the
190:Extra-Strength Tylenol
178:over-the-counter drugs
44:considered for merging
2233:Johnson & Johnson
858:Emsley, John (2016).
715:. September 21, 2012.
369:
334:Department of Justice
209:Johnson & Johnson
174:Johnson & Johnson
1738:The Spokesman Review
998:. February 6, 2009.
938:Analytical Chemistry
917:. September 29, 1982
423:Procter & Gamble
277:Police investigation
2238:Mass murder in 1982
1858:The Washington Post
1162:on October 30, 2011
950:10.1021/ac00267a775
847:. October 27, 1982.
484:McNeil Laboratories
467:The Washington Post
449:University of Texas
2055:The New York Times
2000:The New York Times
1981:The New York Times
1962:The New York Times
1944:The New York Times
1922:The New York Times
1694:. October 1, 2008.
1628:The New York Times
1479:. Bloomberg News.
1429:on August 19, 2014
1341:The New York Times
1135:The New York Times
1117:The New York Times
1099:The New York Times
1081:The New York Times
897:The New York Times
763:The New York Times
678:The New York Times
2248:Murder in Chicago
2093:"Tylenol Murders"
1829:. June 19, 1986.
1827:Los Angeles Times
1656:Tibbits, George.
869:978-1-78262-474-5
536:trick-or-treaters
442:life imprisonment
406:Yonkers, New York
383:Lombard, Illinois
291:potassium cyanide
225:Elk Grove Village
197:Arlington Heights
155:potassium cyanide
129:
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16:(Redirected from
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1509:. May 19, 2011.
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421:That same year,
80:Retail consumers
50:
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2073:Further reading
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2016:
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229:Osco Drug store
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2208:Adulteration
2133:at Wikibooks
2110:
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2058:. Retrieved
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1670:. Retrieved
1666:the original
1661:
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1580:. Retrieved
1571:
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1546:. Retrieved
1537:
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1515:. Retrieved
1507:Daily Herald
1506:
1497:
1485:. Retrieved
1470:
1458:. Retrieved
1443:
1431:. Retrieved
1427:the original
1416:
1407:
1397:February 10,
1395:. Retrieved
1386:
1376:
1361:
1349:. Retrieved
1340:
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1322:
1313:
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1274:
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1219:ABC7 Chicago
1208:
1198:November 29,
1196:. Retrieved
1164:. Retrieved
1160:the original
1134:
1125:
1116:
1107:
1098:
1089:
1080:
1071:
1060:
1026:
1016:
1004:. Retrieved
995:
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921:November 22,
919:. Retrieved
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2223:Drug safety
2060:October 30,
2034:December 4,
1638:January 25,
1582:January 25,
1548:January 25,
1351:February 6,
970:Greene, B.
636:December 6,
221:Jewel Foods
114:Perpetrator
96:mass murder
86:Attack type
33:‹ The
2187:Categories
2098:Snopes.com
996:Boston.com
980:0140073205
570:References
506:, such as
342:Jewel-Osco
309:Bob Greene
307:columnist
265:California
261:strychnine
241:Dominick's
233:Schaumburg
109:At least 7
1837:April 27,
1807:March 26,
1692:Wired.com
1006:March 27,
878:944037436
447:In 1986,
389:Aftermath
321:Walgreens
243:(both in
237:Walgreens
211:issued a
170:extortion
92:poisoning
42:is being
2165:Illinois
2025:Archived
1926:Archived
1862:Archived
1831:Archived
1801:Archived
1773:July 24,
1767:Archived
1632:Archived
1576:Archived
1542:Archived
1511:Archived
1481:Archived
1460:March 7,
1454:Archived
1433:March 7,
1418:Fox News
1391:Archived
1345:Archived
1246:CBS News
1224:July 11,
1192:Archived
1000:Archived
958:37119741
915:Criminal
825:CBS News
658:CBS News
630:Archived
543:See also
456:worked.
427:Encaprin
412:Excedrin
394:Copycats
327:Suspects
249:Winfield
151:capsules
58:Location
46:. ›
35:template
2153:Chicago
2139:Portals
1868:July 6,
1672:May 10,
1517:June 9,
1487:May 19,
1452:. CNN.
1166:May 12,
1156:WCVB-TV
712:Chicago
438:Seattle
434:Sudafed
271:Customs
245:Chicago
201:cyanide
139:in the
125:Unknown
117:Unknown
2112:Medium
1899:
1744:May 3,
1718:May 3,
1605:
1301:
1297:. DK.
978:
956:
876:
866:
530:While
453:Anacin
239:and a
227:); an
213:recall
122:Motive
106:Deaths
77:Target
64:, U.S.
2028:(PDF)
2017:(PDF)
954:S2CID
804:Patch
287:Texas
235:); a
90:Mass
2062:2021
2036:2011
1897:ISBN
1870:2016
1839:2021
1809:2019
1775:2019
1746:2022
1720:2022
1674:2012
1640:2018
1603:ISBN
1584:2018
1550:2018
1538:Time
1519:2011
1489:2011
1462:2010
1435:2010
1399:2009
1353:2017
1299:ISBN
1226:2023
1200:2014
1168:2009
1008:2019
976:ISBN
923:2022
874:OCLC
864:ISBN
638:2017
285:and
231:(in
131:The
69:Date
2177:Law
2095:at
1889:doi
1763:UPI
1323:UPI
946:doi
425:'s
344:in
299:FBI
2189::
2109:.
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2019:.
1998:.
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1648:^
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