serial killer

A serial killer  is a criminal author of homicides that he reiterates in time. A serial killer is usually characterized by the fact that there is no connection between him and his victim. In general , he doesn't know before choosing it. That's why the police will use the profiling technique to try to identify the serial killer.
Jack The Ripper is one the most famous serial killer in the London story. He killed 30 women and teenagers. He will confess 11 murders and one rape. He was very dangerous.