TV Guide Investigation Discovery Thursday

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.

After police respond to a home invasion and find one person dead and another in critical condition, detectives think someone close to home was behind it.

After police find a homeowner riddled with bullets in their driveway, a witness delivers a testimony that raises more questions than it answers.

When police officers get sent on a welfare check during Thanksgiving, they uncover a shocking triple homicide and a story of disinheritance.

Therapist Jodi Hildebrandt forms a partnership with Mormon family vlogger, Ruby Franke, but a horrifying 911 call exposes the depths of their bizarre beliefs.

In 1981, 13-year-old Mary Day vanished and investigators suspect that her stepfather may have killed her, but they never recovered her body.

Master conman, Nicholas Rossi, fakes his own death to evade justice, adopts new identities and leaves a trail of alleged crimes across continents.

Uncovering the shocking stories of celebrities' lives as some rise to fame only to fall from stardom, while others reveal fame's tragic dark side.

Uncovering the shocking stories of celebrities' lives as some rise to fame only to fall from stardom, while others reveal fame's tragic dark side.

Uncovering the shocking stories of celebrities' lives as some rise to fame only to fall from stardom, while others reveal fame's tragic dark side.

Uncovering the shocking stories of celebrities' lives as some rise to fame only to fall from stardom, while others reveal fame's tragic dark side.

Baron Colon hopes to take home the $100,000 prize as a finalist on a reality TV show, but he's hiding his real motivation for wanting to join the competition.

When former model Samira Frasch turns up dead at the bottom of her pool, police uncover a marriage filled with infidelities, accusations and deep motives.

A young actress turns up dead in her school parking lot and the police sift through hundreds of hours of surveillance to attempt to catch her killer in the act.

The police found an up-and-coming fashion designer dead in a bathtub at Soho House, one of New York's most exclusive, members-only hotels.

South Florida doctors prescribe deadly opioids; FBI Special Agent Jennifer Turner uncovers a criminal empire, and she's got one shot at taking them down.

The violence of El Salvadorian gang MS13 is spreading like a virus; Special Agent Jeff Wood faces a battle of wits and will to put an end to violence in Boston.