Read about Shannon Schieber, 23, found raped and strangled to death in her Philadelphia apartment, and how authorities caught "Center City rapist" Troy Graves.

Find out more about the strange death of Arizona woman Faylene Grant, as told in Oxygen's Accident, Suicide or Murder.

Rachel Siani worked in a gentlemen's club to help pay for college, but could this job have led to her death?

An FBI profile on a murder suspect pushes investigators in a new direction.

A suspect taunts investigators with anonymous letters full of red herrings.

Police question a man who was potentially the last person to see Rachel Siani alive.

A coroner’s investigation finds that Judy Orr Baldwin’s death was not caused by a car crash. Her husband is questioned.

Find out why Michelle Paet plotted the murder of her husband, Nathan Paet, a 28-year-old U.S. Air Force service member ...

Learn more about the life and crimes of serial killer Richard Chase, who has been dubbed the Vampire of Sacramento for his ...

Learn more about the tragic murders of Richard Wendorf and Naoma Ruth Queen at the hands of "vampire teen" Rod Ferrell.

Doug Grant claims he slept as his wife, Faylene, drowned in the bathtub. Investigators question his actions.

Find out more about the mysterious death of Jeffrey Gebhardt, as told in Oxygen's Accident, Suicide or Murder.