TV Guide Investigation Discovery Wednesday

A shooter guns down a soldier at home, but behind the tragedy lies a family torn apart by sex, manipulation and secrecy.

For a year, NYPD follows a bloody trail of murder attempts against a real estate entrepreneur, only to discover that no one is who they seem.

After the torture and murder of a woman in her home, her ex-husband calls 911; a man turns up dead in a house fire and his wife tells police he was suicidal.

A mother's love is the most powerful in the world, for one Ohio woman, it will even overpower her fear of death; incapable of throwing out her dangerous son.

After a retired accountant turns to an online dating service and meets a 69-year-old woman online, he soon encounters a series of mysterious illnesses.

15-year-old Audrie Pott was driven over the edge after lewd photos of her taken at a house party began circulating through text messages and on social media.

When a single mother tries to move on from her open relationship, she unwittingly gets into a war of words with her boyfriend's lover.

When a body is discovered in a backyard, police have little to go on and the homeowner has recently disappeared, but clues are left behind posted online.

In 2017, police find 51-year-old Jorge Rodriguez wandering the streets with gunshot wounds near a crashed car riddled with bullet holes.

16-year-old Diamond Bradley mystifies her family when she suddenly disappears, and detectives hope surveillance footage will lead them to the missing girl.

In 2015, a 33-year-old restaurateur is shot dead in his backyard in an exclusive South Carolina neighborhood; detectives hunt for a strange woman.

In the summer of 1994, a night out in Miami turns deadly for two beautiful young women and a popular nightclub owner but little evidence is found on the scene.

Convenience store clerk Dahyabhai Kalidas Chaudhari is stabbed to death in Dalton, Ga., and police turn to security footage for answers and discover a surprise.

In 2017, 28-year-old musician Omar Medina goes missing and his family's fears are confirmed when his body turns up in a barrel floating in the San Diego bay.

Kristin Smart was a freshman at California Polytechnic State University, who disappeared on May 25, 1996, and Paul Flores was a longtime person of interest.

A 91-year-old woman helps break a case wide open, which leads to the capture of one of the most prolific serial killers of modern times.

When someone snatches 9-year-old Jessie from her bed in the middle of the night, the authorities scour the area looking for her when they discover a dark truth.

In 1990, a clown delivering flowers and balloons guns down a woman at home and detectives set out to track down the killer clown.

Virginia firefighters respond to a house fire in Upperville where they discover the body of a local journalist who had been shot two times.

In 2001, a mother of five is found shot in the head in her own minivan and Investigators have little physical evidence as they struggle to make an arrest.

When police found Corey Lee Hughes dying on the floor, they turned to security video to find his attacker, then a neighbor's camera captured an SUV leaving.

When police found Corey Lee Hughes dying on the floor, they turned to security video to find his attacker, then a neighbor's camera captured an SUV leaving.

When police find a bullet-riddled body on Valentine's Day, detectives soon follow a trail of secrets, manipulation and betrayal to get to the truth.

While police perform a welfare check, they stumble across a dead body that was brutalized and hidden inside the quaint garden shed of an Alabama home.