Chasing Ghosts (Linda Marie Thies)

For years, Mark Koster was presumed gone—declared dead without a body ever being found. But when his remains surface inside his own home, investigators must unravel how a killer hid in plain sight and how one confession finally exposed the truth behind a death that went unnoticed ...  Show more

A grandmother visiting from Haiti, a young mother, and two small children are found brutally killed in a quiet South Florida neighborhood. With no forced entry and few answers, detectives must untangle what happened inside the Altidor family home and why justice has remained out ...  Show more

In 1940s Hollywood, a 22-year-old aspiring actress is found mutilated and drained of blood. Her body is posed, and her mouth has been carved into a permanent smile. The investigation takes police into the hidden sides of the city — illicit romances and gang-related crimes. But wh ...  Show more

Sean Lannon says he murdered 16 people, including his ex-wife and a former mentor who allegedly sexually abused him as a child. Lannon allegedly enticed four of the victims to a residence in New Mexico before killing and dismembering two of them. Authorities have tied Lannon t ...

Diane Downs is convicted of shooting her three children in her car, driving them to the hospital, and claiming it was a carjacking gone horribly wrong. She, herself, had been shot in the arm, but investigators were suspicious of her story.

Nancy's expert panel weighs in: ...

In 1995, a teenage girl is discovered beaten and shot to death in Mansfield, Texas. The pressure is on for police to figure out who she is, who killed her, and why. The investigation takes a turn when they investigate the victim’s schoolmates. Police must unravel a web of lies to ...  Show more