Investigation Discovery HD (Pacific)

A Texas park ranger pulls over a truck filled with marijuana and its passenger flees deep into the desert, unleashing a manhunt that unearths something far more sinister than detectives could have imagined.

In the fall of 1994, an elementary school principal is found tied to a tree outside Oklahoma City, launching a nationwide manhunt for Franklin Delano Floyd and exposing a decades-long reign of terror and abuse.

After three synagogues go up in flames, federal agents work around the clock to solve the arsons; they get an unexpected break when a double murder 150 miles away reveals new evidence as well as a sinister plot fueled by bigotry.

Like in a scene out of one of his Westerns, a former actor is gunned down in Yuma, Ariz., and police chase down leads across the Southwest until they finally get their man.

Police make an arrest in the contract killing of a California businessman and realize it's just the beginning of the story.

After an 8-year-old girl is found strangled to death In Ocean Shores, Wash., a local woman is instrumental in helping detectives bring the young victim's killer to justice.

After a night out, a beautiful young woman ends up in a shallow grave, and her killer evades police for decades.

Panic spreads at the Suncoast Playboy Club when an aspiring photographer turns up brutally murdered right after shooting the annual "Bunny of the Year" contest; the Playboy Bunnies fear their club is a target and that one of them could be next.

As a Playboy Bunny, Jackie Hendrickson is forbidden from fraternizing with her customers; Atlanta plastic surgeon Dr. Warren Brown is impossible to resist, and their illicit affair sets off a deadly chain of events.

When Adrienne Pollack dies, her family suspects there's more to the story than meets the eye; as they dig to find the truth, they uncover that Adrienne was hiding a dark secret which, if true, could take Hugh Hefner down.

Fresh from a breakup, a Playboy casting assistant revels in the L.A. nightlife scene until a wild night out ends in her mysterious death.

Kerissa Fare is thrilled to be September 2000's Playmate of the Month; just as the magazine is about to hit newsstands, a mysterious man from her past becomes a suspect in multiple murders, and investigators want to talk to her.

A local waitress catapults to stardom when featured in a Playboy pictorial; she soaks up the fame and newfound attention until a surprise goes wrong, ending in tragedy, and she becomes a victim in a gruesome double murder.

A mysterious shooter attacks a loving father.

The investigation into the death of Sarah Harris raises questions about the relationship between a doctor and his much younger girlfriend.

The investigation into the death of Sarah Harris raises questions about the relationship between a doctor and his much younger girlfriend.

A mysterious shooter attacks a loving father.

Retired Alaska Commissioner of Public Safety Glenn Godfrey must use his years of law enforcement experience to protect his family from an evil force unleashed by his ill-advised romance.

Jenelle Potter develops an attraction that isn't reciprocated, making her feel ostracized and threatened; then, a shadowy figure emerges to entangle her family members in a dark plot with a twisted ending no one saw coming.

Lila Warwick is a loving and hands-on grandmother of eight whose door is always open for holidays, birthdays or for anyone in need of a helping hand.

Police find the body of young woman, Erika Megan Sharpton in her car, a red 1995 Ford Mustang.

When Paula Cardwell returns from running errands, she finds her 20-year-old daughter, Anna Catherine, lying dead on the kitchen floor; the small town of Wetumpka, Ala., is left stunned and determined to find the devil in its midst.

Locals stay quiet to protect their own when a new resident of Hartford, Ky., is found tied up and floating in a toolbox in a creek.

An unknown assailant strangles overnight desk clerk Mary Klatt during her shift; the town of Blue Earth, Minn., struggles with the harsh reality that someone would want to harm Mary.

A roommate reports 22-year-old Liz Syperda missing, shocking the community of Mount Pleasant, Iowa; some wonder if Liz merely left town without telling anyone, but family and friends know something far more disastrous occurred.

Emmett, Idaho, a cowboy town where a person's word is everything, is shaken forever when a murderer beats a local saddle maker to death; investigators and locals band together and uncover layers of betrayal and deceit.

Family and friends are concerned when Phillip Brewer and Jody Fortuna go missing from Gillette, Wyo.; eventually, the horrifying truth comes to light.

Tourist town Traverse City, Mich., is turned upside down when 18-year-old Kalee Bruce is bludgeoned to death at her workplace.

A woman vanishes from her home in the neighborhood of Belle Center, Mo., without a trace; hoping to find Anita Dunn before it's too late, the community aids investigators in an exhaustive search.

A young woman is found shot in her car on the side of a road with her ex-boyfriend bloodied and disoriented nearby; the boyfriend claims he can't remember what happened.

A woman survives a home invasion perpetrated by a masked intruder who disguised his voice to sound like Batman.

A woman is found dead in her burning Illinois home in 2020, but it is not clear if the fire is what killed her.

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

After Andrea Yates' horrifying act, her dark preoccupation emerges - a secretive cult, twisted teachings, and followers drawn into a growing web of control.

Woroniecki seemingly traps his followers in an isolation cocoon. His teachings appear to twist salvation into submission - until Andrea Yates commits a horrific act that stuns a nation.

Andrea Yates faces two trials in the aftermath of the drownings, exposing the preacher's lingering influence. As Woroniecki deflects blame onto Rusty, a juror quietly reveals that his teachings shaped the verdict, raising questions of accountability.

Little sister Heather terrorizes her siblings, David and Crystal from a young age; everyone hopes she'll change when she becomes a mom, but she only gets worse; after Heather meets Kareem, she becomes a monster.

After Andrea Yates' horrifying act, her dark preoccupation emerges - a secretive cult, twisted teachings, and followers drawn into a growing web of control.

Woroniecki seemingly traps his followers in an isolation cocoon. His teachings appear to twist salvation into submission - until Andrea Yates commits a horrific act that stuns a nation.

Andrea Yates faces two trials in the aftermath of the drownings, exposing the preacher's lingering influence. As Woroniecki deflects blame onto Rusty, a juror quietly reveals that his teachings shaped the verdict, raising questions of accountability.

Little sister Heather terrorizes her siblings, David and Crystal from a young age; everyone hopes she'll change when she becomes a mom, but she only gets worse; after Heather meets Kareem, she becomes a monster.

In 2014, a severed human leg draws attention to The Work, an apocalyptic cult; known as the Sinful Messiah, Julius Shacknow commands total devotion and terrible sacrifice, called "the special work," as the only way to achieve eternal salvation.

In the late 1960s, Charles Manson entices dozens of young women to live with him in a California desert commune; Manson orders his followers to commit a string of gruesome murders that still haunt the national psyche.

In Alaska, the abduction and murder of an 11-year-old girl causes townspeople to fear they're being preyed upon by an evil outsider until investigators unmask a killer closer to home.

In pursuit of a serial killer, Colorado police are horrified when a pager found in the snow near a victim's vehicle points to a suspect who has sworn to protect and serve.

A family vanishes in the dead of winter, and Nebraska police must determine whether the family has decided to leave town or fallen victim to foul play; a daughter's search helps investigators uncover a sinister plot fueled by revenge and greed.

Police are called to the scene of a traffic accident in West Chester, Pa. where 18 year-old Bianca Roberson is found dead at the wheel of her car; an autopsy reveals a sinister crime.

Roommates prepare to say goodbye, but they don't know it will be forever.

In Tacoma, Wash., businessman Larry Howse is killed in the parking garage of his apartment building; detectives turn to a security camera, which reveals the unfolding of an execution by two mystery assailants.

In Danville, Ky., a pawn store robbery leaves three people dead; detectives seek to identify the suspect, and their only lead is a mysterious silver van; using a trail of videos to pursue the elusive vehicle is their only hope of catching a killer.

In Tulsa, Okla., Amanda Douglas and Jennifer Sudar Sanders enjoy an evening out at a casino; the next morning, the two are shot outside their apartment complex; investigators soon learn that the shooter was driving a distinctive gold Pontiac.

In Calgary, Alberta, Ryan Lane receives a late-night phone call and goes out to meet a mystery caller and is never heard from again; Calgary Police Service turn to surveillance video to locate Ryan and find evidence of a shocking betrayal.

In Buena Park, Calif., a suitcase containing the body of a young woman is discovered in a dumpster; the victim is identified as model Jasmine Fiore, 28, who has been reported missing by her reality TV star husband.

The brutal murder of a young basketball player in a drive-by shooting leaves detectives with few clues about the killer, but forensic evidence could be the key to charging a suspect.

A brutal murder rocks a close-knit trailer park community in Kansas City, Kan.; with a 19-year-old female on the run, detectives begin to suspect that a family fight may have taken a deadly turn.

KCKPD's Narcotics Squad ensnares a low-level drug-dealing couple; to help stop the flow of meth into Kansas City, they try to flip a local drug kingpin and go all the way to the top of the drugs supply chain.

A 30-year-old gay man is shot dead on a busy street; the victim's family believes his mysterious new boyfriend may be responsible for the killing.

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.

Body cameras capture the life-or-death decisions made by police officers, from domestic disputes to traffic stops gone dangerously awry.