John O'Keefe // 476

In the late 1970s, Sacramento residents were terrified by a string of bizarre and gruesome killings committed in quick succession. The assailant seemed to have no clear connection to his victims, but his behavior at the scenes pointed to an unsettling obsession with blood, and th ...  Show more

In January of 1979, a 22-year-old college senior living in Holland, Michigan, disappeared while working at a local hotel. A day later, she was found on the side of the highway in a snowbank, her body revealing a level of violence that stunned investigators. For decades, her case ...  Show more

When an elderly Washington man dies from a fall, no one suspects his in-home caretaker—until her involvement in several other deaths is discovered. Suspicion over his death is raised as the remains of murder vict ...

Stephen Smith was found dead along a rural Hampton County road in the pre-dawn hours of July 8, 2015. His death came under mysterious circumstances, and remains unsolved. Stephen Smith's death ultimately was ruled a hit-and-run by a medical examiner, despite law enforcement sayin ...  Show more

Andrea Canning reports on the latest twists and turns in the case in which firefighters discovered a New Jersey man dead in a house fire, but an autopsy revealed he had been shot to death.

Andrea Canning and Josh Mankiewicz go behind the scenes of the making of this epis ...

On the morning of January 5, 1994, 27-year-old David Cox, a former Marine whose story inspired the movie A Few Good Men, was at home, anxiously awaiting news about a potential full-time job. But when his girlfriend, Elaine, returned home that evening, David was nowhere to be foun ...  Show more