Police have linked the unidentified serial killer to five victims, though they believe the number could be as high as 16.

A German palliative care doctor described as a "serial killer" has been sentenced to life imprisonment for the murder of 15 ...

Detectives have investigated whether the slayings of two Akron women may be linked. An Akron detective thinks a third murder ...

As the court case against serial killer Khalil Wheeler-Weaver inches closer to trial, NJ.com’s podcast about the killer and ...

High-profile murder cases in California range from Scott Peterson and Paul Flores to the Golden State Killer.

The evidence in the Gilgo Beach killings was vast and, at first, potentially useless in court. To make the case stick, investigators would have to rebuild it from the ground up, turning years of ...

A new technique could lead to the big break that investigators need in the Nancy Guthrie case. New DNA methods using rootless hair could aid the Nancy Guthrie disappearance investigation. Technique ...

Chilling cases reveal the terrifying stories of unknown serial killers whose crimes left investigators searching for answers and communities gripped by fear. Watch Unknown Serial Killers of America, ...