When investigators searched the home Larry and Mary Ann Hughes had lived in when he was killed, they uncovered disturbing blood evidence.

Oxygen digital correspondent Stephanie Gomulka spoke with Alyssa Maddox, the co-executive producer of "Snapped," ahead of its landmark Season 30 premiere.

Keith Hunter Jesperson wrote disturbing letters to media and law enforcement about his murder sprees, signing the notes with a smiley face.

Between 1990 and 1995, eight women died at the hands of Keith Hunter Jesperson, also known as the Happy Face Killer. 

Keith Hunter Jesperson lived a double life as a dad of three and the vicious serial murderer, "The Happy Face Killer."

Angel Brown's husband died when a horse collided with his car. In the aftermath of his death, a battle sprung up between her and his ex-wife, Lisa Luke.

Charles Ray Vines was notoriously branded the River Valley Killer in the 1990s. Where is he now?

A southern community was terrorized in the 1990s by a rapist and murderer named Charles Ray Vine, who was hiding in plain sight.

Melissa Witt was killed in Arkansas in 1994. Some theorize she may have been the victim of a local serial killer, "The River Valley Killer."

"Snapped" has featured many disturbing and jaw-dropping murder cases over the past 29 seasons.