Dennis DePue brutally murdered his wife Marilynn in April 1990 — and when a passing couple saw him trying to hide the body, a terrifying chase ensued.

After allegedly murdering her husband in 1960, Sharon Kinne shot her lover’s pregnant wife. Then, she evaded justice and escaped to Mexico only to kill again — before vanishing without a trace.

In November 2012, Colorado dad Mark Redwine killed his 13-year-old son Dylan after the boy uncovered shocking selfies of his father wearing lingerie and eating feces from a diaper.

Between 1988 and 2003, John Jamelske abducted women and girls as young as 14 and held them as prisoners in his secret bunker — where he raped them daily.

In February 2004, Carlie Brucia was kidnapped from a Florida carwash a mile from her house — and found dead just a few days later in a field behind a church.

Philip Chism was just 14 when he murdered his 24-year-old math teacher Colleen Ritzer at Danvers High School before dumping her corpse behind the school.

In 2010, 17-year-old Mackenzie Cowell fell victim to a disturbed classmate named Christopher Scott Wilson who had a morbid fascination with murder and a tattoo of Hannibal Lecter on his arm.

A popular 15-year-old cheerleader from Morgan Hill, California, Sierra LaMar was kidnapped and killed in 2012 — and her body has never been found.

Bernie Tiede was a beloved mortician in Carthage, Texas, and even after he shot his 81-year-old companion Marjorie Nugent dead in 1996, his town still stuck by his side.

After Caylee Anthony's disappearance and death in 2008, Casey Anthony became the prime suspect in one of the most infamous murder cases in recent history.

Brandon Swanson was on his way home for spring break in May 2008 when he got into a minor car accident and called his parents for help. Then, he suddenly vanished without a trace.