In New Orleans, the ghost tours always stop at a particular mansion in the midst of the French Quarter, on the corner of Royal and Governor Nicholls Streets.  The house had once been owned by socialites, a physician by the name of Lalaurie and his wife, Delphine. [ReadOn]

Born in Paris during 1869, the future "Bluebeard" was a bright student who studied mechanical engineering at age sixteen. He served four years in the army, rising to the rank of sergeant before his discharge in 1894. During the same period, Landru seduced his cousin and she bore him a daughter in 1891, becoming his wife two years later. [ReadOn]

Donald Lang's case has got to be one of the strangest in the annals of crime. Lang's alleged crimes were not particularly unusual. They would have gone largely unremarked-upon if not for the fact that Lang was totally deaf and mute. [ReadOn]

Between October 1965 and December 1966, female Cincinnati residents were terrorized by a series of stranglings and sexual assaults, recalling memories of recent turmoil generated by the "Boston Strangler." [ReadOn]

On May 27, 1998, authorities accuseed the Lefrancs -- a clan of inbreds in northern France -- of murdering several babies, the offspring of an incestuous relationship between the daughter and her three brothers. [ReadOn]

Known as the Monster of Miramichi, he committed his crime after escaping from prison. Convicted in 1991 of raping and murdering three women and beating a priest to death in the New Brunswick Valley.

A New York native, born in 1925, LeGrand was arrested on charges of kidnapping , assault, and firearms possession in 1965. Three years later, police accused him of snatching a 23-year-old woman from her home, assaulting and raping her before she managed to escape. [ReadOn]

Born in 1922 at Worms, Germany, young Christa Ambros lost her mother to an asylum while still in her teens. Neglected by her father, she grew up wild and undisciplined, serving a term of probation on conviction for petty theft. [ReadOn]

A 27-year-old neo-Nazi, Thomas LEMKE has confessed to a five-body killing spree. An overzealous skinhead, Thomas stabbed his first victim 91 times for wearing a "Nazis Out" badge and killed a fellow neo-Nazi who defected from the cause. [ReadOn]

A self-described "Dr. Jekyll and Mr. Hyde," Leonski was a U.S. Army private stationed in Australia during World War II, convicted and sentenced to die for strangling three women in Melbourne. [ReadOn]

As per November 2004 the male nurse from Sonthofen (Bavaria) confessed to 16 killings of elderly patients with injections of tranquilizers and relaxants. In one of the cases Stephan LETTER (25) allegedly tried to kill a man with a cocktail of drugs and when the patient survived the attack, the nurse repeated his attempt three days later, this time with a letal dose. [ReadOn]