Investigation Discovery +1 Sunday

A father-of-three shot dead in a hail of gunfire. Shreveport Police Department homicide detective Rod Demery was unprepared for just how many killers he'll need to bring to justice

Buying goods from home

Buying goods from home

Buying goods from home

Buying goods from home

Relatives of 'The Pillow Pyro' John Orr reveal how his shocking crimes impacted the family and community, and discuss whether there were any signs of his murderous intentions

The former fiancée of wealthy farmer and landowner Adrian Prout reveals what it was like living with a man who lied about killing his wife

How a man became fixated on his co-worker, believing they should marry. The problem is, she was already married - to a jealous husband

High school student Brandon Wentzell falls for Clarissa Chistiakov online. But the course of virtual love doesn't run smooth as the past collides with a toxic present

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

The case of Danielle Imbo and Richard Petrone, who vanished after leaving a night club on Philadelphia's South Street in February 2005

A woman vanishes from her home in Bell Center, Missouri. Hoping to find her before it's too late, the community aids investigators in an exhaustive search

When overnight motel desk clerk, Mary Klatt, is brutally strangled to death at work, the local community struggle with the harsh reality that someone could harm her

Former prosecutor Sunny Hostin revisits the events of 2013 and the premeditated murder of 23-year-old mother Danielle Marshall, found dead in her Atlanta kitchen

The former prosecutor travels to the quiet coastal town of Milford, Connecticut, to revisit the murder of Kelsey Monahon, a 28-year-old pregnant woman

When a young mother was found dead in her car on New Year's Day, little evidence was found. Almost 20 years later, her sister joined a rookie cop to catch the killer

How a 45-year-old murder investigation got fresh momentum when the victim's nephew took the case on, as his search for the truth unearthed hidden secrets

The case of 24-year-old escort Shannan Gilbert, who went missing in December 2010 after last being seen running frantically down a roadway

Opening statements kick off a heated murder trial, and jurors hear troubling voicemails. 'Free Karen Read' supporters increase outside of court

A waitress catapults to stardom when featured in a Playboy pictorial. But after a surprise goes wrong, she becomes a victim in a double murder

After years apart, Jamie-Lee reunites with her father, Isakin, the 'Skara Cannibal,' to confront him on the infamous, brutal murder of his girlfriend

In Tomahawk, Wisconsin, the investigation of a woman's stabbing takes many directions. When another similar crime occurs, detectives race to find a suspect

A special task force cracks open the cold cases of Tulsa County, starting with the 1973 murder of Veda Woodson, and the 1998 murder of 16-year-old Dena Ann Dean

An effort to find Dena's friend Brandi promises to yield results, and discussions tell of a tense relationship right before Dena's murder

How a graduate student was swept off her feet, only to find as the relationship progressed that revelations suggested nothing was quite what it appeared to be

A case in which a woman broke up with her abusive boyfriend and moved in with a relative to make a fresh start. When she suddenly went missing, foul play was suspected