25 most evil serial killers in history of the world – Their evil deeds will shock you (+Photos)

17 John George Haigh

Known as the “Acid Bath Murderer” John George Haigh was an English serial killer during the 1940s. He was convicted of the murders of 6 people, although he claimed to have killed 9. A professional conmen, he targeted wealthy individuals and charmed them into believing he was a successful businessman. He lured his victims to a derelict warehouse before shooting them. He then dissolved their bodies in sulphuric acid before forging papers in order to sell their possessions and collect their life savings. Traces of human remains were found and there was sufficient evidence to convict him. In 1949 he was sentenced to death and hanged at Wandsworth Prison.