Penchant for Poison Forensic Files : Season 10 Episode 33
TV-14 Court TV 30m int(0)
Aired: January 18th, 2006 @ 12:00 AM EST on Court TV
Three seemingly unrelated deaths proved to be serial murders. The killer had been careful – he used poison which had no taste or odor. Fortunately for investigators, it also had a unique chemical signature.