An unsolved murder sends a district attorney down a trail of madness and terror.
Linda Donahew, of Arlington Texas, was discovered stabbed to death by her sister one night in June.
A tip leads Delaware state police to a man who matched their composite. When they search his truck, they find something very odd inside.
ATF agents try to piece together how the bomb that killed Kem was constructed and learn something shocking about where it was constructed.
When police arrive at the scene of a grisly murder, the evidence makes them wonder if the victim's dying act would point them to her killer.
When a beautiful young woman goes missing, police are baffled. Did she simply run away from a troubled relationship or was her disappearance something far
When police find a man found beaten to death on the beach there is a mountain of evidence pointing to Bill Dillon. But is any of it true? Did investigators
A 19 year old college student is murdered on the street in Brooklyn, NY after a night of partying. The mother of the young man convicted of killing him goes
A man in Huntsville, Alabama is found dead in his mansion. The small town is shocked when his wife and her twin sister are suspected of murder, dubbing them
When a couple is found murdered on the fairgrounds, it becomes the first homicide ever in the 150-year history of the Iowa State Fair. Police unravel a
A beautiful young woman is abducted in broad daylight. Police and her family begin a race against time to find her before its too late.
Investigation Discovery congratulates Paula Zahn's on her 100th episode! All-new Sunday at 10/9c.