Read an excerpt of the true-crime book "The Man From the Train: The Solving of a Century-Old Serial Killer Mystery" of the murder of the unorthodox Schultz family of Houston Heights, Texas,
We talk to experts to find out the disturbing reasons why some men kill the person with whom they've vowed to share a lifetime.
The Keepers asks the question "Who killed Sister Cathy?" It may be hard to imagine raising a hand against a women of the cloth, but there are, unfortunately, many other shocking cases of slain nuns.
Check out the A&E syllabus for JonBenét Ramsey 101.
Check out our top 10 picks for crime-related podcasts.