Graham young is the reoffending serial killer fascinated with deadly poisons and toxic chemicals who began his fatal experiments at the mere age of fourteen after poisoning his entire family. Released from jail 15 years later he up-scaled his study, this time lacing cups of tea with deadly poison to an entire factory of workers.

The cold and heartless bigamist murderer George Joseph Smith who left his victims with broken hearts, empty bank accounts and in some cases, dead. Drowning three of his seven wives, which he married in only six years, Smith was eventually hanged for his murderous greed, after his seven aliases were finally connected. We'll examine how the early use of forensics helped police unmask the killer.