Investigation Discovery HD

Texas Ranger James Holland doesn't play by the rules. He's known as a serial killer whisperer because of his unique brand of interrogation tactics in cases once considered unsolvable. Watch as killers reveal the disturbing truth behind their crimes.

In the Miami suburbs, a hard working mother from Trinidad vanishes into thin air; detectives Danny Smith and Jonathan Zeller soon uncover her secrets but then are stalled until they come up with a highly unusual way to smoke out the perpetrator.

When Shaquoia and Imani first meet Isiah, they sense his evil; they don't know why their mother would date a man like him; Shaquoia does all she can to protect her siblings from Isiah's rage, but his cruelty and obsession would destroy the family.

Burlington Police get a call that a man has killed his girlfriend; they arrive at the home to find the man calm while his girlfriend's body lies nearby; he explains that he has other victims, revealing a history of psychopathic sexual deviancy.

An officer responds to a 911 call placed by a robber on the lam who feels compelled to turn himself in; when the officer arrives at the scene, the criminal confesses to much more than breaking and entering.

When a graduate student suddenly goes missing, the family he's staying with immediately contacts police; days later, a horrific discovery forces investigators to face a rare kind of monster.

A college student disappears at the start of his freshman year without a trace, leaving his family and his girlfriend reeling; when authorities look to his best friend for answers, they uncover a love triangle gone wrong.

After the murder of 15-year-old Milli Penn, Grand Rapids detectives investigate the masked shooter, rumored to be another teenager linked to a fight club; then, another shooting strikes and detectives must solve the case before more lives are lost.

After a shooting, the detectives investigate a victim with a history of domestic complaints; as the victim fights for his life, the female shooter claims self-defense; her attempt to hide evidence raises doubts about her true motive.

What seemed like an accidental overdose becomes a murder investigation when a jail informant tips off Grand Rapids detectives; conflicting witness accounts leave the detectives searching for hard evidence to solve Dana's death.

A young mother is ambushed and shot dead in the driveway of her home in Charlotte, N.C., and Detective Garry McFadden's best witness may be the victim's 3-year-old son, who gives him a cryptic clue.

Early in his career, Detective Garry McFadden is assigned to investigate an apparent robbery at a fast food restaurant during which the assistant manager was killed.

Detective Garry McFadden finds it hard to separate out his personal feelings after a friend is killed; his investigation hits a dead end, then DNA test results give him the answers he needs, and the answers, like the crime itself, hit close to home.

John takes on accused financial fraudster Ruja Ignatova, whose alleged crypto con landed her on the FBI's top ten most wanted list; Callahan heads to Pennsylvania on the trail of Freddy Calle, accused of sexually abusing a teenage girl.

John joins law enforcement in pursuit of Luis Montes, accused of murdering his on-again-off-again girlfriend in Texas; Callahan heads to Chicago to shine a light on two victims of gun violence whose cases remain unsolved.

John joins the hunt for Jovanny Romo Arellanes, who California police say killed his ex-girlfriend; Callahan seeks answers for a family that never gave up hope surrounding a mysterious case involving alleged killer Steven Oboite.

Officers with the Evansville police department arrive at a crime scene to find a shooting victim barely alive and needing medical attention; the stakes get higher after they realize there might be another injured victim who's now missing.

Homicide investigations unfold through dramatic, real footage in this groundbreaking series; viewers get an up-close perspective of each case using raw, unfiltered footage.

In what looks like a planned ambush, a young man turns up dead in his garage in Maricopa, Ariz.; police must look into a romance gone wrong to find his killer, and the child that the two may share.

A retirement community in Evansville, Ind., reels when police find Odie Carrier Jr. mortally shot in his own home; puzzled even more by the surprising way he died, police must work quickly if they are going to find the person responsible.

A chilling confession ultimately tells all after a relative finds Cindy Testerman strangled to death in her own home and a second woman goes missing.

In Wisconsin, a K-9 saves officers' lives by taking down an armed fugitive but gets shot in the head; in Connecticut, a patrolman comes under fire during a store robbery; in Oklahoma, a head-on collision with a deputy leads to a full-scale manhunt.

Officers chase a suspect, attend a car fire, and detain a homicide suspect.

Homicide investigations are chronicled using body-cam footage, surveillance cameras and interrogation tapes.

After the shooting of a military veteran in his own home, detectives hunt a trail of CCTV across Kansas City to find his elusive killers; grainy footage reveals a connection between the hooded assailant and the driver of a silver BMW.

Officers chase a suspect, attend a car fire, and detain a homicide suspect.