They kill their victims through shooting, stabbing, burning, beating, torturing and other brutal ways that are really inhumane. Some of the serial killers can be successfuly tracked to be arrested before killing more victims, while the others are hardly arrested which leads to killing more and more victims without the ability to save them. Check out our unsettling current list of recent and historical unsolved serial killer cases. Most of the serial killers suffer from psychological or social problems that led them to committing their crimes. At any one time there are 25 - 50 active serial killers in the US. Want more serial killer stories Sign up for The Lineups newsletter, and get our scariest tales straight to your inbox. The murderer who is classified as a serial killer leaves a period of time between each crime and this period may come to be just few hours, days, months or even years in which the killer waits to return back again to the previous savagery and cruelty of killing people. From the Zodiac Killer to the Long Island Serial Killer, join us as we count down 10 serial killers who were never caught. The crimes of serial killers can also be committed in different places to make it more difficult for the police officers to arrest the killers.
By visiting the scenes of the crimes and reinvestigating the evidence, they attempt. It started with the discovery of the bodies of Rebecca Ann Dowski and Cathleen. A serial killer is the one who is responsible for killing more than one person at different times and not at the same time. Emilia Fox and Professor David Wilson, Britain's leading criminologist, investigate famous unsolved murder cases. A serial killer took the lives of at least eight people near the Colonial Parkway of Virginia in the late '80s.