Investigation Discovery

Detectives investigate the death of 19-year-old Missy Grubaugh, found dead in an apartment fire in 1994; the list of suspects includes a former roommate, a vicious coworker, and her boyfriend.

In May 2002, a couple goes missing in Ocean City, Maryland, almost as if they vanished into thin air, until a random, late-night burglary leads police to discover a tale of deception, brutality and savagery.

When neighbors find a young teacher axed to death on Friday the 13th, a sleepy suburb fears a psychopath is loose; the bloody crime scene leads police to a most unlikely suspect, unfolding a story people still have to see to believe 40 years later.

Questions and accusations fly after savvy entrepreneur and mother of five, 52-year-old Dee Warner, vanishes from her rural Michigan home. Authorities struggle for answers, until one day they find her, closer to home than anyone could have imagined.

As Pride Month kicks off in 2022, the deaths of two gay men in New York City shatter their families and the gay community, leading the NYPD to uncover a ruthless gang that stalks, drugs, and murders their victims before draining their bank accounts.

In Ocala, Fla., the local sheriff's office responds to a wellness check only to find the body of a man in what looks like a sexual pleasure palace; it could be a homosexual hate crime, revenge or a killer much closer to home.

In 2001, someone murders a father, sets his Florida home ablaze and his sons disappear; as prayers rise for their safe return, a so-called family friend steps forward, shifting the case; an interview finally uncovers the truth.

Spiritual influencer Rashad Jamal builds a huge online following, but his message darkens when some followers disappear, and others commit murder.

A health and wellness group based out of Minnesota promises meditation, healing, and spirits from another dimension; however, ex-members say it's a manipulative cult fueled by control, unpaid labor, and unquestioning devotion to its leader.

After her husband is found with a fatal injury at the foot of the stairs, a woman is accused of murder and fights to clear her name.

A health and wellness group based out of Minnesota promises meditation, healing, and spirits from another dimension; however, ex-members say it's a manipulative cult fueled by control, unpaid labor, and unquestioning devotion to its leader.

Spiritual influencer Rashad Jamal builds a huge online following, but his message darkens when some followers disappear, and others commit murder.

Debra believes Randy is a good man and faith will help him overcome his dark past; after they marry, his violent and cruel side takes over; she manages to escape, but the next woman isn't so lucky.

In Ocala, Fla., the local sheriff's office responds to a wellness check only to find the body of a man in what looks like a sexual pleasure palace; it could be a homosexual hate crime, revenge or a killer much closer to home.

A nursing student is murdered next to a community college in Houston and the killer flees in a red car; the detectives retrace the last 24 hours of the victim's life and find multiple suspects.

A muscle-car enthusiast goes to elaborate lengths to fake his own death and collect his own life insurance.

A wealthy woman serves her husband a kale smoothie laced with sedatives, then she bludgeons him to death, rolls his body up in a rug and sends it to her storage unit.

A quiet, average teenager with a sinister interest in the occult brutally murders his elderly neighbor in a ritualistic attempt to become a vampire and attain immortality.

Unwilling to give up his playboy lifestyle, a man strangles his wife to death and uses an air conditioner to fudge the time of her death.

A muscle-car enthusiast goes to elaborate lengths to fake his own death and collect his own life insurance.

A wealthy woman serves her husband a kale smoothie laced with sedatives, then she bludgeons him to death, rolls his body up in a rug and sends it to her storage unit.

A quiet, average teenager with a sinister interest in the occult brutally murders his elderly neighbor in a ritualistic attempt to become a vampire and attain immortality.

Unwilling to give up his playboy lifestyle, a man strangles his wife to death and uses an air conditioner to fudge the time of her death.

A muscle-car enthusiast goes to elaborate lengths to fake his own death and collect his own life insurance.

A wealthy woman serves her husband a kale smoothie laced with sedatives, then she bludgeons him to death, rolls his body up in a rug and sends it to her storage unit.

A quiet, average teenager with a sinister interest in the occult brutally murders his elderly neighbor in a ritualistic attempt to become a vampire and attain immortality.

Unwilling to give up his playboy lifestyle, a man strangles his wife to death and uses an air conditioner to fudge the time of her death.

The disappearance of 23-year-old Montana mom Jermain Charlo.

Aileen Seiden's beaten body is found near a highway; the next day, a bloody motel room is discovered nearby, prompting investigators to see if the two are connected.

A nurse is shot dead in her apartment; investigators note unusual findings, raising doubt about whether it was a self-inflicted act or something more sinister.

A couple's first date ends with a home invasion and a shooting, leaving one dead while the other barely survives.

The murder of schoolteacher Mary Catherine Edwards in Beaumont, Texas, and her unexpected connection to the killer.

In a small Texas town, a mother's worst nightmare becomes a tragic reality.

In Maryland, a high-speed chase erupts when a serial dangerous driver strikes again, putting one officer's life in grave danger. In Georgia, police hunt a bank robber, and in Wisconsin, a gunfight breaks out when a lone officer confronts an armed man.

A couple finds their friend shot dead and calls 911; police uncover a trail of deceit; when a gunman kills a woman in a drive-by shooting, police learn the killer is closer to home than they imagined.

Police fight to stop a stolen truck with a hostage inside, and a domestic call turns deadly when the suspect shoots at officers at point-blank range.

A daughter frantically calls 911 after gunmen tie her up and shoot her parents at home; a burglar brings shocking new information to a man's supposed natural death.

A couple finds their friend shot dead and calls 911; police uncover a trail of deceit; when a gunman kills a woman in a drive-by shooting, police learn the killer is closer to home than they imagined.

Police fight to stop a stolen truck with a hostage inside, and a domestic call turns deadly when the suspect shoots at officers at point-blank range.

A daughter frantically calls 911 after gunmen tie her up and shoot her parents at home; a burglar brings shocking new information to a man's supposed natural death.

A couple finds their friend shot dead and calls 911; police uncover a trail of deceit; when a gunman kills a woman in a drive-by shooting, police learn the killer is closer to home than they imagined.

The disappearance of 23-year-old Montana mom Jermain Charlo.

Aileen Seiden's beaten body is found near a highway; the next day, a bloody motel room is discovered nearby, prompting investigators to see if the two are connected.

A daughter frantically calls 911 after gunmen tie her up and shoot her parents at home; a burglar brings shocking new information to a man's supposed natural death.

The body of a 16-year-old high school cheerleader is discovered floating in a river; the police investigation leads to several promising suspects before an unexpected break points to a killer already in their midst.

A man from Michigan is suspected of killing his fiancée, but investigators uncover an even more sinister plot under the surface of the crime.

Newlyweds Rick and Gail Brink are shot execution-style in their Michigan home; after 25 years, investigators find an error in the timeline that allows them to identify the killer with certainty.

The body of a 16-year-old high school cheerleader is discovered floating in a river; the police investigation leads to several promising suspects before an unexpected break points to a killer already in their midst.

A man from Michigan is suspected of killing his fiancée, but investigators uncover an even more sinister plot under the surface of the crime.

Newlyweds Rick and Gail Brink are shot execution-style in their Michigan home; after 25 years, investigators find an error in the timeline that allows them to identify the killer with certainty.

The body of a 16-year-old high school cheerleader is discovered floating in a river; the police investigation leads to several promising suspects before an unexpected break points to a killer already in their midst.

A spree killer who leaves his victims tied up with neckties torments the men of Atlanta in the fall of 2002; as investigators hit many dead ends, one clue left behind could be the final puzzle piece detectives need to tie these cases together.

In 2003, a lively college town in Kentucky faces tragedy after the vicious rape and murder of student Katie Autry; as police sift through the suspect list, two people stand out from the rest; one learns if they play with fire, they will get burned.

In 2004, three separate murders carried out over two weeks confound California police after they discover the culprit used the same type of gun; detectives first suspect robbery, but as they dig deeper, they unearth a darker motive.

A prison nurse falls hard for an inmate, and they start a torrid affair; their forbidden secret doesn't stay locked up for long, and in August 2005, one criminal in the relationship turns into two.

In Scottsdale, Ariz., in 2006, a routine house fire sparks a confession of guilt that leads to an act of revenge.

Opposites attract when a young woman with an aversion to deep water marries an ocean-loving boat captain; despite her fears, she decides to accompany her husband on a short boat trip to Bimini -- but they never return.

A wealthy man's dream of seaside paradise in Mexico becomes a nightmare when police find him brutally murdered; a love triangle, deceit and betrayal unravel in a case where greed collides with deadly ambition.

After the brutal binding, torture and murder of a woman in her home, her ex-husband calls 911, but police suspect he is the killer. Also, when a man turns up dead in a house fire, his wife tells police he was suicidal, but the truth is even more shocking.

A Vermont anniversary trip turns dark as a romantic getaway unravels into secrets, violence, and a camper crime scene, exposing the fragile line between love and control.

A woman falls to her death in the Rockies, her husband calls 911; the police must find out whether her death was really an accident or was she pushed; a three-year-old is found dead in a river; her father calls 911, he becomes the prime suspect.

A spree killer who leaves his victims tied up with neckties torments the men of Atlanta in the fall of 2002; as investigators hit many dead ends, one clue left behind could be the final puzzle piece detectives need to tie these cases together.

A Vermont anniversary trip turns dark as a romantic getaway unravels into secrets, violence, and a camper crime scene, exposing the fragile line between love and control.