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.

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

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

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

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

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

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

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

Learn the disturbing reason Jeffrey Vample killed his Giant supermarket colleague Alice Hufnagle, 67, in her ...