
An in-depth look at some of the world's most dangerous murderers.

Randy Kraft, a well-spoken, well-respected computer expert...and a prolific serial killer.

Richard Kuklinski claims to have murdered over 100 people for New York and New Jersey's crime families.

Over a 25-year career of murder, Richard Biegenwald killed at least six people.

Police in Aurora, Colorado find the body of a young man in his own home with a bullet wound to the head.