Steven David Catlin, the 'Poisoner,' used lethal chemicals to disguise his cold-blooded murders as natural deaths. This documentary unravels his chilling story, exploring how he targeted those closest to him, including his own mother and wives. Discover the investigation that uncovered his deadly secrets and led to his conviction. Dive into the mind of a killer who thought he could get away with murder. #truecrime #StevenDavidCatlin #serialkiller #documentary
