Investigation Discovery HD (Pacific)

Disturbing yet empowering accounts of how people have escaped the clutches of a serial killer.

Veteran journalist Paula Zahn unravels criminal investigations by featuring the opinions of law enforcement officials, the families of the victims and the incarcerated, lawyers from both sides and first-time TV interviews with convicted murderers.

Puzzling clues and odd witness accounts create huge challenges for investigators who are trying to solve a girl's murder.

Disturbing yet empowering accounts of how people have escaped the clutches of a serial killer.

Veteran journalist Paula Zahn unravels criminal investigations by featuring the opinions of law enforcement officials, the families of the victims and the incarcerated, lawyers from both sides and first-time TV interviews with convicted murderers.

Puzzling clues and odd witness accounts create huge challenges for investigators who are trying to solve a girl's murder.

When a tub floats to the surface of Ohio's Alum Creek Reservoir with a human leg inside, police launch a disturbing murder investigation; footage reveals the killing, but the twisted motive stays as murky as the water that hid the crime.

When a negotiator gets called to a hostage situation, he must determine how to talk the gunman into laying down his weapons before people die.

A detective discovers that he knows a kidnapper personally and that getting the victim back alive now hinges on his relationship with a maniac.

When 20-year-old Cindy Sumner vanishes in Toledo, Ohio, a cryptic message lures detectives to Elm Street; in the decaying warehouse ruins, they uncover signs of a twisted obsession and a nightmare that blurs the line between fiction and true evil.

A killer stalks families across state lines, leaving horror behind; after a 3-year-old whispers Mommy's dead, police uncover a massacre on Elm Street; two boys survive; the killer must be stopped before striking again.

Three friends arrive for a haircut - only to find their barber dead, his body sprinkled with a mysterious white powder; as police dig in, one clue stands out: he'd just come into money; was it a robbery - or a betrayal by someone he never saw coming?

In May 2023, an Idaho jury finds Lori Vallow Daybell guilty of murdering her two children, JJ Vallow and Tylee Ryan, and conspiring in the murder of her husband Chad Daybell's ex-wife, Tammy; Jonathan Vigliotti reports.

Criminology Ph.D. student Bryan Kohberger is charged with the murder of four University of Idaho students; in November 2022, Kaylee Goncalves, Ethan Chapin, Xana Kernodle and Madison Mogen are found dead in their home; Peter Van Sant reports.

At the cookie factory, friendships rise fast but so do rivalries; what starts as harmless gossip between co-workers soon turns sour; when jealousy and ambition boil over, the sweet life at the plant ends in cold-blooded murder.

A deserted, bloody vehicle makes detectives suspect murder; their investigation plunges them into Florida pageantry's cutthroat world and an unlikely suspect, unraveling a sordid tale of deceit and a shocking fall from grace.

A West Philadelphia neighborhood is left reeling when a high school track star, who had her eyes set on Olympic glory, disappears without a trace.

Shock sweeps through a Washington community when a suburban mother gets arrested for a murder from a decade earlier in Alaska; details of a seedy and sordid past emerge.

When a young family vanishes from their Southern California dream home, friends and family are left with dozens of unanswered questions; authorities suspect they fled the country, until an unlikely source uncovers the truth.

Police investigate the shooting of millionaires Brad and Andra Sachs in their home in 2014 and track a series of clues in a chase to find the couple's killer.

A premiere fishing boat explodes into flames just offshore, stunning the small fishing town of Craig, Alaska; after fighting the flames, state troopers discover the remains of a young family and few clues as to what could have set the ship ablaze.

In 1980, Tim Hack and Kelly Drew go missing from a small Wisconsin town, then their bodies are found in a field; a woman comes forward nearly 40 years later to help solve the so-called "Sweetheart Murders" of Hack and Drew.

One summer night in 2007, the Petit family is woken up by two strangers in their quiet Connecticut home; suddenly, these four family members find themselves being held hostage and in a fight for their lives.

In rural Pennsylvania, an elderly widow's extreme fear of being buried underground leads her to make an unthinkable decision; for years, her small town keeps her secret, but when investigators finally arrive, they uncover more questions than answers.

April shines positivity, growing her TikTok through wholesome family content and manifesting a better future. Things are not always what they seem. After a tragic incident, April's mom gets on TikTok and uncovers secrets that shock everyone watching.

In 2015 Texas, aspiring rapper Daeveion Mangum seeks fame through risky choices, but one decision drags him into a deadly spiral of violence.

Killing comes easily to those with hearts of ice.

April shines positivity, growing her TikTok through wholesome family content and manifesting a better future. Things are not always what they seem. After a tragic incident, April's mom gets on TikTok and uncovers secrets that shock everyone watching.

In 2015 Texas, aspiring rapper Daeveion Mangum seeks fame through risky choices, but one decision drags him into a deadly spiral of violence.

Killing comes easily to those with hearts of ice.

In rural Pennsylvania, an elderly widow's extreme fear of being buried underground leads her to make an unthinkable decision; for years, her small town keeps her secret, but when investigators finally arrive, they uncover more questions than answers.

In 2021, in Newport News, Virginia, postal workers Jacquie Shabazz and Tashara Jackson fall out over an alleged affair, and a simmering feud explodes.

Two cousins go to war over the same woman, with significant consequences.

Hard-working immigrant Gladys Ricart finds love on an N.Y. subway, and she is introduced to a lush world she's never imagined, but her plans for a dream wedding turn into a horrifying nightmare.

Not long after Patrick Brown falls for a woman named Cece, he is plagued by mysterious telephone calls and the creepy sensation that someone is watching him.

After meeting online, Tiana Notice and James Carter find themselves drawn into an increasingly dangerous and ultimately deadly battle of wits.

After the shocking death of Heather Maples, the student community of Murfreesboro confronts the sobering truth that a killer is lurking among them; detectives unlock her cellphone to find a web of potential suspects and retrace her last night alive.

The brutal murder of a successful hair salon owner and mother upends a tight-knit Chicago community; while neighbors whisper about the killer's identity, detectives must break down walls of silence and uncover the plot to slay this local icon.

The untimely death of Melissa Henderson, wife and mother of two, rattles a small Indiana town, but revelations of foul play at her funeral set the rumor mill ablaze; local gossip leads investigators to a riverboat casino, with unexpected suspects.

A missing mother's ransom notes lead to a mad chase and a disturbing twist.

A Texas housewife finds it easier to keep a secret than to live with one.

A couple learns their spicy lifestyle may not be a secret to everyone.

When Lori McLeod falls for a man claiming to be an FBI agent, she feels certain she will always be safe; now, as the end of her life draws near, Lori vows that the murderer who betrayed her family will never become a free man.

As a little girl, Karen Kuzma adores her older brother, then she sees changes in him, she doesn't understand; it never occurs to her that he will become the most infamous serial killer in American history.

When Joshua Hudnall goes off to war, he feels more at home than he ever did around his mother; while Joshua thinks he's escaped his mother's torment, she sets her sights on someone else and destroys their family from within.

For 17 years, Kathy Swanson fears her son, Michael, will harm someone; she tries in vain to convince people that there is something different about Michael, then her worst nightmare comes true.

Ronald and Patty had always seen the signs that their older brother, Bernard Eugene Giles, had a darker side, but when Gene finally let loose the monster lurking inside, they couldn't help but wonder how things had gone so wrong.

A gifted artist is murdered in her home; decades later, her killer reveals what drove him.

In 1984, a serial killer targets young women across America until he abducts a teenager for a nine-day road trip of torture.