The Killer Speaks

The serial killer, Terry Blair, is incarcerated at Potosi Correctional Center in Missouri and serving life without parole for six counts of first-degree-murder.

When 23-year-old Levi King executed two innocent neighbors in 2005 he finally found a release for his life-long inner rage. Now, for the first time, King reveals what really happened in the house.

In 2011 Maksim Gelman went on a brutal killing spree in New York City that left four people dead and four wounded. Dubbed "Mad Maks" by the media, Gelman for the first time reveals the shocking logic behind his brutal crimes.

Robert Lopez warned women he loved never to betray him. In 2005, after serving 10 years for stabbing and nearly killing his first girlfriend, Lopez had a new girlfriend.

In 2006, when 38-year-old Dena Riley met convicted rapist Richard Davis, their relationship turned out to be a marriage made in hell.

Two weeks before Christmas, Earl Forrest burst into a friend's house and gunned down two people. What triggered this orgy of violence? Now on death row, Forrest reveals the surprising reason behind the killing spree.