To this day, however, the perpetrators of these murders have never been found. One man, James Lewis, claiming to be the Tylenol killer wrote a “ransom” letter to Johnson & Johnson demanding $1. The Chicago Tylenol murders were a series of poisoning deaths resulting from drug tampering in the Chicago metropolitan area in 1982. The victims had all taken Tylenol-branded acetaminophen capsules that had been laced with potassium cyanide. A total of seven people died in the original poisonings, with several more deaths in subsequent copycat crimes. Tylenol Extra Strength caplets with 500mg of acetaminophen help reduce fever and provide temporary relief of minor aches and pains. From the 1 doctor-recommended brand of pain reliever, each caplet contains 500 mg of acetaminophen for effective, extra strength pain relief. Both a fever reducer and pain reliever, it relieves minor aches and pains due to headache, backache, toothache, minor. According to TIME’s 1982 report, Food and Drug Administration officials hypothesized that the killer bought Extra-Strength Tylenol capsules over the counter, injected cyanide into the red half. Tylenol accounted for 13 percent of Johnson & Johnson's year-to-year sales growth and 33 percent of the company's year-to-year profit growth. Tylenol was the absolute leader in the painkiller field accounting for a 37 percent market share, outselling the next four leading painkillers combined, including Anacin, Bayer, Bufferin, and Excedrin. Had Tylenol been a corporate entity unto itself. Tylenol has become synonymous with acetaminophen throughout the years, easily recognized as the one of the best pain killer medicines available in the market today. Tried and tested by countless individuals across the globe, Tylenol Extra Strength Acetaminophen 500mg Caplets are fast and effective with mild body pain and fever. Another thing that makes Tylenol a top choice among users is that. Outselling Anacin, Bayer aspirin, Bufferin and Excedrin, Tylenol became the number one alternative to aspirin, the most popular over-the-county pain killer with 37 percent of the market. Tylenol's. The pain killer works immediately and makes you much more comfortable. Read more. 5 people found this helpful. Helpful. Report abuse. See all reviews. Featured items you may like. Page 1 of 1 Start over Page 1 of 1. Previous page. Amazon Basic Care Ibuprofen Tablets, 200 mg, Pain Reliever/Fever Reducer, 500 Count. 4.8 out of 5 stars 1,471. $13.78 $ 13. 78 ($0.03/Count) Tylenol Extra Strength. Tylenol is one of the most well known painkillers in the world. The over-the-counter pills, containing paracetamol, have been the popular choice for treating headaches, fevers and body pains since 1955. But on this day in 1982, Tylenol became a household name for a much more sinister reason, as the famous Chicago Tylenol murders began. Killer pills Psychologists called the killer so strange that their normal guidelines just don't work. And now, more than 26 years after Tylenol capsules laced with potassium cyanide killed seven people in the Chicago area, the Tylenol murders still have enough people scratching their heads that the FBI reopened the case and is taking a fresh look at old suspects.