Investigation Discovery +1 Friday

The July 1999 murders of Diana Algar and Jose Molina in Pennsylvania. Three letters scrawled across Algar's living room wall became a central clue in a US-wide manhunt

The case of Susan Smith, who became an FBI informant to protect her children from her jealous husband's criminal friends. However, her move brought hellish consequences

Buying goods from home

Buying goods from home

The case of 20-year-old Missy Grubaugh, a devout Christian, who was saving herself for marriage. Missy's innocent charms attracted the wrong type of men - with deadly results

The case of 38-year-old Eric Franks, who vanished while preparing to move house with his long-lost high school girlfriend and the daughter they had together

The case of 19-year-old Katelin Akens, who vanished in a Virginia shopping mall, while en route to the airport to fly home to her fiancee

Detective Rod Demery charts the final hours of good-natured Vietnam veteran Drexelle McBride, whose body was recovered from the driver's seat of his white van

Detective Rod Demery revisits the circumstances of his then-21-year-old mother's murder in May 1969

The crimes of Donna Yaklich, who gunned down her husband - a Pueblo police officer - in the driveway of his home in December 1985

The case of Colleen Harris, who was convicted of first-degree murder after gunning down her third husband, a former US Forest Service supervisor, in January 2013

When the heir-apparent to a Colorado ranch suddenly disappears, his family doesn't seem to care. Police quickly uncover a body and a vicious family feud

The murder of a father devastates his family. But when his widow and her son turn the home into a sex party house, it exposes a very different reality

The murder of John Thurberg at his place of work. The motive was unclear, but when police interviewed his employees, they uncovered a web of secrets and lies

A case that began when a woman was found dead in her bath. Initially, it was thought she had died of natural causes, but an autopsy revealed she had been strangled

In 2007 in Bethany, Oklahoma, a young pregnant woman went missing. Police tried to retrace her last steps, and unearth more than the secrets she harboured

In 2011, Detective Christopher Lyons picked up a 25-year-old cold case file, hoping to solve a murder that many saw as a tragic miscarriage of justice

The case of Yvonne Oulton, whose husband and son found dead in her car near a casino. Police initially suspected a robbery, but CCTV footage pointed to an unlikely killer

In 2010, former Playboy model Paula Sladewski's body was found burned beyond recognition in a Miami dumpster. The investigation exposes a haunting lack of justice

When Melanie marries James Addie, she believes she's found the perfect husband, unaware he leads a double life that one day will end with death

A case involving a couple, seemingly in a conventional relationship, who were actually swingers. Their final night of debauchery led to a triple murder

How Rita Gluzman's excessive spending habits led to her murdering her husband, when, after their separation, he embarked on a relationship with someone else

The murder of John Thurberg at his place of work. The motive was unclear, but when police interviewed his employees, they uncovered a web of secrets and lies

A case that began when a woman was found dead in her bath. Initially, it was thought she had died of natural causes, but an autopsy revealed she had been strangled

In 2007 in Bethany, Oklahoma, a young pregnant woman went missing. Police tried to retrace her last steps, and unearth more than the secrets she harboured

In 2011, Detective Christopher Lyons picked up a 25-year-old cold case file, hoping to solve a murder that many saw as a tragic miscarriage of justice