TV Guide Investigation Discovery Thursday

Over 2 years, a killer shoots multiple people dead in Philadelphia, but the killer's identity and motive remain unclear. The FBI uncover a real-life John Wick.

In September 2019, Erica Thompson vanishes. Her phone pings across state lines, someone else has her car, and someone erases her home's security footage.

In November 2019, Sheena Gibbs travels back to Chicago from Muscatine, Iowa, after caring for her mother, but she is never seen or heard from again.

A missing person report spirals into a homicide investigation when key belongings remain behind. Doubts leave a family wondering if every truth surfaced.

An optometrist family's lifestyle turns into a disaster when the extremities of the established family's pursuit to obtain whatever they desire are revealed.

A small-town cashier disappears after her stepbrother and stepbrothers move in, leading police to investigate for answers to the woman's whereabouts.

A town is consumed with suspicion after 19-year-old Erica Miller disappears without a trace, and one resident questions the strange behavior of a family friend.

The death of mother of two, Melissa Henderson, rattles a small Indiana town, as local gossip leads investigators to a riverboat casino with unexpected suspects.

A popular young city councilman is shot dead in Fairfield, Calif., then drug dealers, political rivals, and even his own father fall under suspicion.

Some women marry for money others are prepared to murder for it.

A woman takes her anger out on her mother, a woman is violent behind closed doors and a woman unleashes her rage on the one person trying to protect her.

A woman becomes obsessed with a priest; a woman turns to the bohemian lifestyle and falls for a married man; a woman is convinced her children's nanny is a spy.

There are many ways to leave your lover, and one of those ways is dead.

An ex-actress tries to start a new life with aspiring musician; a woman's secret lover tries to end their relationship; lovers decide their spouses have to go.

When bags full of body parts start appearing all over the Bay Area in the summer of 2000, investigators follow the trail of clues that leads to a secret cult.

When a 19-year-old girl is left to burn alive on a back road in Mississippi, her last words lead detectives down a dead end and the case goes cold.

After a 19-year-old woman is assaulted outside of Desert Hot Springs, Calif., she miraculously escapes, but lives in constant fear that he will find her again.

The case of the deaths of an African-American mother and a young, white police officer are killed during the July 1969 race riots in York, Pa., are reopened.

On August 8, 1980, a high school student went to go jogging in her hometown in Maine, but she never returned, days later, her beaten body was found.

When two deaf Gallaudet University students are murdered in their rooms four months apart, Washington, D.C., police investigate a possible connection.

In 2020, Baron Li is shot nine times in front of his home and detectives try to figure out who could want this husband and father dead.

Single mother, Jennifer Brown, vanishes from her Limerick home and detectives race against the clock to find her. Her 8-year-old son asks where his mother is.

The last surviving Von Erich brother exposes the truth behind addiction & darkness of wrestling fame that transformed a family business into a living nightmare.

Single mother, Jennifer Brown, vanishes from her Limerick home and detectives race against the clock to find her. Her 8-year-old son asks where his mother is.

The last surviving Von Erich brother exposes the truth behind addiction & darkness of wrestling fame that transformed a family business into a living nightmare.

In 2020, Baron Li is shot nine times in front of his home and detectives try to figure out who could want this husband and father dead.

A woman rents out a room to a younger man, but then she invites another to live with them, creating a toxic mix of suspicion, accusations, rage, and murder.

Two women strike up a fast friendship and move in together, but a lack of privacy and a secret relationship rips apart the harmony.