Investigation Discovery +1 Tuesday

In 2012, Michelle Mockbee's body was found at work. She was wearing her sapphire ring, so robbery was ruled out. The case stalled until a video blew it open

Buying goods from home

Buying goods from home

Buying goods from home

Buying goods from home

When Heidi's alcoholic husband, Chris, goes missing, police uncover a dark secret hidden in the basement of the marital home

The case of high school student Brandon Wentzell, who fell for Clarissa Chistiakov online. However, Chistiakov was a fake identity and Jessica Boudreau led Wentzell to his death

The case of 50-year-old real-estate agent Beverly Carter, who was murdered after arranging to meet a prospective buyer at a remote house in September 2014

How, seven years into their marriage, something changed between a husband and wife - and a dirty secret at work led to a deadly confrontation

In 1997, in quaint Anne Arundel County, Maryland, a detective inherited a stack of cold cases. As he began to unravel each one, he uncovered a shocking common thread

The case of 44-year-old masseuse Larissa Macriello, who vanished from her Miami apartment. Police soon discovered a dangerous edge to her carefree lifestyle

A case in which a couple were shot in their home, though the husband survived. The investigation revealed a scheming killer who almost got away with the perfect murder

A case involving gifted stage performer and much-loved teacher Stephanie. Behind closed doors, resentment and envy festered in her marriage, leading to a shocking 911 call

In 1993 an officer was shot and killed during a routine traffic stop. The only witness was his young nephew. However, he was too traumatised to tell police what he had seen

The stabbing of Arkansas cheerleader Julie Heath in October 1993. Eric Nance raped and murdered the 18-year-old, and 12 years later was put to death for the crime

The murder of Crystal Houston in the desert town of Socorro, New Mexico. She was killed 14 months after her older sister, Stephanie, was killed in a suspicious accident

A case involving the disappearance of a long haul trucker. Thirteen years later a tax auditor went missing and the cases merged, revealing a grisly crime

The case of Danny Coleman, whose charred remains were found 50 miles from his home. The near 20-year hunt for his killers involved sex, drugs and a voice from the grave

Ashley's family rips apart after she brutally murders her grandmother. Now, they will finally get answers about why she destroyed so many lives

Elizabeth joins the Harris family in their fight for justice against the doctor who uses power, privilege and drugs to control their daughter, Sarah

Video footage, police interview tapes and courtroom footage reveal the double lives of the US's most terrifying killers and abductors before they were caught