After ranchers spot the body of a teen girl brutally beaten on a riverbank, deputies conduct countless interviews to no avail. Years pass until cutting-edge technology helps police lift DNA from the murder weapon and zero in on an enraged killer.

After hunters discover the dismembered body of a missing young woman, police uncover a shocking secret she kept hidden from friends. Blood spatter and incriminating receipts help investigators decode her demise at the hands of a monster.

After a young woman goes missing, children find her body disposed of in a rural community miles away. Forensic experts decipher surprising animal hair fibers and DNA evidence, which puts detectives on the trail of an enraged predator.

Reports of shots fired at an apartment complex lead police to a horrific discovery: the bodies of a single mother and two of her children. Detectives find answers in shell casings, shoe impressions, and DNA to stop a diabolical predator.

After motorists spot a man's body burning on the side of the highway, investigators find evidence of a brutal assassination and fiery cover-up. Detectives decode construction debris with curious details to reveal a scheme that ended in murder.

When a beloved single dad is found dead in his burning home, an autopsy reveals the fire didn't kill the man-he was murdered. Investigators must decode ballistic, chemical, and digital clues to reveal a complex plan by a twisted killer.

A man calls 911 when he finds blood inside a friend's home. Officers enter to find a beloved community activist shot dead. Detectives piece together clues - bloody footprints, bullet fragments, a credit card trail - to find a cold-blooded murderer.

A car fire blazing near a beach sends detectives on a search that ends with a young woman found dead and her mother yearning for answers. The killer's attempt to eliminate evidence actually gives investigators the clues they need to catch him.