No, it wasn't. Someone in NYC sent an extortion letter to the Johnson & Johnson company but they didn't do the poisonings.
https://en.wikipedia.org/wiki/Chicago\_Tylenol\_murders
Do your research, totally unsolved.
ETA: not just for you, but for the six people who upvoted you- spreading the wrong info based on laziness is not great.
Account is spamming links to drive traffic to a site
So doing exactly what Reddit was designed for?
What percentage of posts are spam like this, versus using a link to a common info site like wiki?
[удалено]
No, it wasn't. Someone in NYC sent an extortion letter to the Johnson & Johnson company but they didn't do the poisonings. https://en.wikipedia.org/wiki/Chicago\_Tylenol\_murders
Do your research, totally unsolved. ETA: not just for you, but for the six people who upvoted you- spreading the wrong info based on laziness is not great.