Investigation Discovery TV Guide — Monday, 20 July 2026

When an unidentified body is discovered in Pierce County, detectives used surveillance footage to track down the perpetrator of this gruesome crime

For years, a serial killer stalks unsuspecting elderly victims. However, when one woman survives, she helps break the case wide open

An unthinkable crime cuts short a family man's quest for a better life in Florida. To find the culprit, detectives must unravel a deadly web of deception.

A religious community mourns an elderly couple when they are murdered in their home. Investigators uncover a web of lies and wicked desires

A college student sends his sister a mysterious text about leaving the country. Later, his body turns up in a lake, weighed down by a backpack full of rocks

Two mysteries, featuring the Georgia man who suffered 17 stab wounds while on a hunting trip. Another man disappeared without warning - the only clue his burned-out car

Buying goods from the comfort of home

Buying goods from the comfort of home

Buying goods from the comfort of home

Buying goods from the comfort of home

How a woman faced the hellish truth about her troublemaking son when he committed a monstrous crime. How much could a mother's love for her son withstand?

The case of Steven Crittenden, who in 1987 murdered William and Katherine Chiapella during a home invasion. When he confessed to his half-brother, Bryant Jones, and then swore him to secrecy, Bryant faced the toughest decision of his life - whether to keep the secret and risk letting a murderer get away with it, or tell the truth and betray his family

Deon's stepfather, Edward, is deeply controlling. When Deon's mother leaves him, Edward plots to regain control of the family with a deadly plan

When Teresa claims her seven-year-old daughter has a terminal illness, the community rallies around them. Then, the shocking truth is revealed

A college student sends his sister a mysterious text about leaving the country. Later, his body turns up in a lake, weighed down by a backpack full of rocks

Behind closed doors, India Mackey's relationship with her boyfriend is painful. A day after her 20th birthday, India learns what he is truly capable of

Richard wants to have the good life by any means possible. When bad choices lead to a prison sentence, he makes a deadly decision, and his secret is exposed

A case in which a 21-year-old mother failed to return from night classes, before her car was found burned out. Investigators immediately suspected foul play, but no one was prepared for the web of lies that unravelled following her disappearance

A case in which two young women failed to return home from the local drive-thru. As their parents began a search for them, a fisherman gave police their first clue

The case of retired teacher Margaret Jack Sliger, shot dead in her farmyard in Mooresburg in May 2015. Kyle Robert Wolfe, a 15-year-old boy, later pleaded guilty to the crime