Investigation Discovery HD

David Magnano and his stepsister, Jessica, know that Scott Magnano is dangerous; they know they would be safer if he were gone; what David doesn't know is how much he will regret not killing Scott when he has the chance.

When Christina meets Loren, she's looking for love and an escape from a troubled home; after his dark side emerges, Christina thinks she's the lone target of his rage; a trail of clues reveals that Loren and his best friend are serial killers.

As Christy Foe copes with multiple family tragedies, her childhood crush, Joel Lauper, comes to the rescue; his arrival is no blessing, and she finds herself fighting for her life and confronting evil to not only save herself, but others as well.

Abby's life takes a dark turn when her aunt and uncle adopt her; what she initially hoped would be a blessing, turns into a nightmare as she realizes she's living with predators; escaping their clutches will take every ounce of her courage.

As Christy Foe copes with multiple family tragedies, her childhood crush, Joel Lauper, comes to the rescue; his arrival is no blessing, and she finds herself fighting for her life and confronting evil to not only save herself, but others as well.

Abby's life takes a dark turn when her aunt and uncle adopt her; what she initially hoped would be a blessing, turns into a nightmare as she realizes she's living with predators; escaping their clutches will take every ounce of her courage.

When Christina meets Loren, she's looking for love and an escape from a troubled home; after his dark side emerges, Christina thinks she's the lone target of his rage; a trail of clues reveals that Loren and his best friend are serial killers.

In 1993 a night clerk is shot dead inside the lobby of a hotel, and despite eyewitness accounts, police can't locate the killer.

In 2004, Detective Postiglione investigates the rare double homicide of two young college students in an apartment near a Nashville university; when a third victim is gunned down, Postiglione launches a state-wide manhunt to catch a ruthless killer.

Detectives rush to a Kansas City bar after a mass shooting leaves the entire country reeling; with suspects on the run and chilling footage emerging, investigators race to uncover the truth before more blood is shed.

A quiet neighborhood in Kansas City, Kan. is shaken by a double homicide in a local deli, and detectives begin to wonder where the truth really lies.

A 17-year-old boy is shot in the early hours of the morning on a suburban Kansas City street; detectives race to uncover who is responsible for the murder.

Four separate gas stations are violently robbed at gun point by a masked man in one night; detectives race to catch the robber and get justice for the terrified local community.

When 21-year-old Diamond Bynum and her 2-year-old nephew, King, vanish from their Gary, Ind., home, police first think they simply wandered off, but with no trace for years, the case turns dark.

In 2015, Jerrica Laws vanishes from her home in Park Forest, Ill.; as Detective Pam Childs reopens the case, she uncovers Jerrica's secret world, including cryptic messages, a mysterious meeting and a question about what Jerrica was hiding.

Around midnight on October 9, 2017, Marlo Gulley vanishes from Chicago's South Side, and police tie his case to three violent crimes; Detective Childs joins Marlo's family to challenge the official narrative and seek the truth.

When a young woman turns up dead in south Texas, Captain Federico Calderon fears the killer has disappeared into Mexico; as more bodies turn up, investigators pick up on the trail of a serial killer, leading to a showdown in the streets of Laredo.

Lt. Joe Kenda showcases homicide detectives from across the United States who worked tirelessly to put killers behind bars and bring justice to victims.

In Minnesota, firemen put out a housefire and find a woman's body inside; Agent Rob Fraik learns that the victim was babysitting a friend's daughter, who is now missing; it is a race against time to track down the killer with a horrifying motive.

The body of a South Carolina man turns up floating in the Black River. Investigator Allen Morris, working his first homicide case, must scrutinize the victim's wife and mistress and ultimately untangle the web of deceit surrounding his disappearance.

A killer stabs UCLA student Ron Baker to death in a train tunnel known for its connection to the Manson murders; rumors begin to spread, until another missing friend redirects suspicion to Baker's inner circle.

Best friends take a girl's trip before applying to grad school; when one of them doesn't make it home, everyone wonders, what happened in Vegas.

When a middle schooler vanishes without a trace, suspicion quickly falls on the new circle of older friends she's been spending time with; as family and friends dig deeper, secrets unravel, and the line between loyalty and betrayal starts to blur.

A tragic illness strikes a seemingly happy marriage, and things turn deadly.

An idyllic marriage is disrupted when wife Theresa Lockhart vanishes.

Lost souls Frank and Angelina Rodriguez appear to have finally found true love; a sudden death leads investigators to uncover a shocking tale.

The bond between twin brothers proves to be stronger than the one between a husband and wife; true love takes a tragic, deadly turn.

An idyllic marriage is disrupted when wife Theresa Lockhart vanishes.

Lost souls Frank and Angelina Rodriguez appear to have finally found true love; a sudden death leads investigators to uncover a shocking tale.

The bond between twin brothers proves to be stronger than the one between a husband and wife; true love takes a tragic, deadly turn.

A tragic illness strikes a seemingly happy marriage, and things turn deadly.

In 1970, an entire family is discovered shot and drowned in their own swimming pool in Santa Cruz, Calif., and investigators must search psychedelic hippie communes to solve this Manson-style murder.

In Los Angeles, 1968, Cheryl Perveler is found bleeding to death in her sports car with a gunshot wound to the head, then investigators delve into Perveler's life and uncover an outlandish plot that defies belief.

Police discover that the successful wife of a popular DJ has been murdered; the array of video cameras in the neighborhood could help bring her killer to justice.

Can police solve the disappearance of a teenager kidnapped out of her own bed in the middle of the night?

Police struggle to dissect the love triangle that led to the murder of a young woman; her jilted husband and her jealous new boyfriend are prime suspects.

When Felisha meets Wesley, she is a single mom with no place to live; he gives her a home, but after they are married and have kids, she discovers he is selfish and unkind. When she finally leaves him, he exacts the cruelest revenge.

As Christy Foe copes with multiple family tragedies, her childhood crush, Joel Lauper, comes to the rescue; his arrival is no blessing, and she finds herself fighting for her life and confronting evil to not only save herself, but others as well.

When Jeff Silvernail returns home to find his partner, Lori, dead in a pool of blood, it appears to be a burglary gone horribly wrong; investigators must uncover whether Jeff is a heartbroken partner or a monster who couldn't cope with rejection.

When Christie meets Marcus in high school, they think they've found love's young dream. As the relationship becomes rocky, Christie begins to fear Marcus's violent tendencies. Little does she know, all her fears will soon become a reality.

Ann Metz lives for her family, particularly her two beautiful granddaughters; her husband Marshall despises Ann's giving her time to anyone but him, and he will go to desperate measures to keep hold of her.

Matt Hendershot is devastated when his marriage ends and his ex-wife moves on; but following the death of her lover, he allows her back into his home, along with a collection of the dead man's guns; it is a mistake which will prove to be fatal.

Killers murder an adrenaline-junkie young father, and detectives sift through tales of illegal chicken fighting, drag racing, cheating, and a mysterious figure nicknamed "The Witch Doctor.".

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; the victim has ties to a mob family, and the mastermind is closer than they realized.

The assassination of a computer genius sends detectives on a two-decade hunt for missing gold, uncovers a shocking link to a Saudi sheik, and exposes a deadly international scheme that claims another life.

A gunman executes three mechanics in a sleepy Connecticut town; detectives scrape for evidence and uncover a world of chatrooms, embezzlement, an illicit love affair, and three families of potential suspects.

In Connecticut, an employee arrives at his bank with a bomb strapped to him, claiming he will die if not given money; in Tennessee, more bank employees begin robbing their own banks, each claiming they have been held hostage and forced into the crime.

Around midnight on October 9, 2017, Marlo Gulley vanishes from Chicago's South Side, and police tie his case to three violent crimes; Detective Childs joins Marlo's family to challenge the official narrative and seek the truth.

Deep in the kudzu of Alabama, police get a call about the body of a young man burned beyond recognition; Detective Kevin Palmer turns to the victim's phone records and picks up on a plot to lure the victim.