TV Guide for Now Saturday 11 in Investigation Discovery

In 1969, racial tensions escalated into riots in York, Pennsylvania. Two people were killed - a white police officer and an African-American mum.

In 1977, a Philadelphia woman goes missing. 18 months after her disappearance, police uncover the shocking truth. After 30 years, the killer is still on the run.

Two young teenagers went for a short walk in 2017 and were never seen again. Plus, a 13-year-old boy during a break in Colorado goes missing - what happened to them.

A mother of five children vanishes without a trace. Heated interrogations and disturbing discoveries bring tensions to a boil as her family fights for justice.

Matriarch, Cathy Stroup, is the no-nonsense head of the family. But, could her management of everyone's affairs lead to a terrible betrayal.

Stacy Malman and Robert Feldman are the perfect couple. But life soon becomes a living hell when a knock at the door forces the couple to face reality.

In 2013, police arrive at a devastating scene. At first, it appears to be a tragic accident, but police soon uncover a story of infidelity and obsession.

When a strict southern Baptist grandma discovers her granddaughter's lesbian relationship, she decides to do what it takes to keep them apart - and it ends in murder.

Elizabeth untangles the web of lies about Michelle Hadley, who was smeared by the media for stalking and harassing her ex-fiancé and his new wife.

In Utah, a married playboy collects too many women and decides to eliminate one for good to continue his lustful ways. But will he get away with it.

Sex therapist Amie Hardwick had the beauty and brains to charm Hollywood. But, when one star rises, another's deadly obsession is never far behind.

Johnny Lewis has everything any young actor could ever dream of. But, not even a spot on Hollywood's A-List could keep him from the most terrifying role of his life.