These 25 Serial Killers Have Never Been Caught - And May Never Be

1.) The Connecticut River Valley Killer: In the 1980s, this serial killer stabbed at least seven women to death.

1.) The Connecticut River Valley Killer: In the 1980s, this serial killer stabbed at least seven women to death.

1.) The Connecticut River Valley Killer: In the 1980s, this serial killer stabbed at least seven women to death.