Joe Dziemianowicz

Red Lobster executive Thomas Hickman was found shot to death with duct tape over his mouth alongside a New Mexico road. What happened to him?

A body in a burning car in a California canyon led authorities to a vicious betrayal and murder plot.

The death of the spry and independent 84-year-old Marina Calabro only looked like a staircase accident, investigators suspected.

The disappearance of Jeffrey and Jeanette Navin shocks a Connecticut town and leads detectives to a fatal family plot.

Disturbing serial killers, cold cases solved at last, unfiltered looks at life behind bars, and more await you on NBCUniversal's streaming platform Peacock.

The slaying of a farmer, Ernest Luttrell, led investigators to a home-grown conspiracy involving his family. 

Detectives uncovered a family conspiracy while investigating Ralph Ludvik's apparent accidental overdose.

Bradley Martin was participating in a work-release program while in prison when he met Carolyn King, a married mom of four. Together, the two embarked on a gruesome crime spree.

In the fall of 2017, 76-year-old Frank Stonemark vanished. The missing persons case led detectives to a gruesome murder.

"Killer Couples” kicks off its latest season with the story of a deadly Hawaiian love triangle.