Two years, police in Germany found out in 2009, after it was revealed that one of the country’s most untraceable killers was, in fact, non-existent. The case of the “Phantom of Heilbronn ...

During the time of her disappearance, two serial killers were actively abducting and murdering young women in the Phoenix area.

Also known as the Servant Girl Annihilator, this unknown individual is known as one of the first registered serial killers in ...