[null and void]

Talk about impersonal murder--what about the Tylenol Murders. That was never solved.

She was convicted and is now serving time...

[Irene Adler]

My memory is that a person or two who copycatted the Tylenol killings was/were convicted of some of the crimes, but the original Tylenol killer, who committed the first cluster of murders, has never been caught.

[soozer47]

You may be thinking about the one in Washington state (Oregon?)where the woman tried to do her hubby in. The Tylenol murders were in Chicago with 7 or 8 dead. That crime has never been solved.