3 seasons available
A murder victim's lost dog becomes the key clue in solving her murder.
When investigators find a series of homeless men bludgeoned to death at the same intersection, Las Vegas fears who could be next. With no leads and mounting pressure, Undersheriff Andrew Walsh proposes an ingenious idea to lure in a serial killer.
When kidnappers snatch the heir to a multi-million-dollar empire for ransom, the FBI races to get him back. An innocuous piece of surveillance footage reveals a far more sinister plot orchestrated by someone inside the family business.
An unknown killer executes a seemingly perfect family in their upscale Florida home; as detective EvaMarie Multari searches for answers, she uncovers hidden family tensions and a maniacal scheme driven by an obsessive love affair with a webcam model.
An attacker beats an elderly Vietnamese couple to death and stuffs them inside their closet. Detectives uncover bizarre evidence that points to a sinister plot of unpaid debt, a bad luck curse, and deadly betrayal.
Investigators initially suspect a demonic sacrifice when they find a mother executed in an abandoned building; a bizarre video confession and a series of strange interrogations expose an evil conspiracy concocted by those closest to the victim.
Detective Ryan Jorstad follows a digital trail of evidence after police find a man shot and robbed in his own truck; as he uncovers a series of messages, he reveals a perpetrator who will stop at nothing to protect his identity.
Residents of a small New England town reel when someone abducts, murders, and dumps a beloved young teacher in an empty patch of woods. After years of false starts and dead ends, an intuitive decision exposes a monster hiding in plain sight.
After multiple homicides occur along Virginia's Colonial Parkway, authorities task Det. Danny Plott with finding a serial killer; investigators uncover a pattern at the crime scenes about the killer's method, becoming the key to solving the case.
Jacksonville, Fla. Deputies locate the bones of a missing woman; as Det. Mechelle Soehlig pieces together the victim's final steps, a trail of clues leads her from the site of a late-night house party to a mysterious Icelandic biker known as Viking.
After someone abducts an Ohio undergrad, local police join the FBI; blood-soaked evidence accelerates the case and brings investigators face to face with human depravity.
Two employees of Dayton, a bar in Ohio, are beaten to death; on the case, Det. Doyle Burke investigates a series of bizarre clues, including a citywide KKK rally and a mysterious confession letter from The Devil postmarked from Hell.
A mother of two turns up dead after a house fire - but her autopsy reveals death by strangulation. Lt. Mike Daniewicz must take to the streets of New Jersey's Little India to catch a killer whose desperation is matched only by his heartlessness.
In rural Minnesota, a masked murderer bludgeons an entire family in their sleep; as small-town secrets unravel, Sheriff Mike Gormley uncovers a dangerous love triangle and a vengeful killer who is willing to risk his own blood for retribution.
After someone executes a charismatic New Hampshire businessman in his sleep, the case goes ice-cold; detective Robert Freitas uses his wits and a wiretap to outsmart a deceitful associate who believed he'd long since gotten away with murder.
A series of murders puts the residents of a small town on high alert; as bodies continue to pile up, the urgency escalates, pitting Detective Dave Frankel in a race against time to capture a deranged spree killer before he claims his next victim.
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.
In Minnesota, firemen put out a house fire and find a woman's body inside; Agent Rob Frank 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.
Police find an accomplished U.S. Forest Service worker executed beneath a mound of snow in Northern California; a missing wallet and a pair of jumper cables send Investigator Greg Hagwood on a multi-state manhunt for the killer.
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.
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.
Amongst the ashes of a barn fire, N.C. investigators discover the remains of two dismembered women; agent Nick Deming must dig into the victims' personal lives to uncover a revenge scheme and a killer.
A mother raises the alarm when her daughter goes missing from the Colorado house she had recently moved into; while Det. Ben Endreson is investigating, an unusual suspect comes forward to confess her involvement, but her story doesn't quite add up.
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.
A scene straight out of a horror film unfolds outside a Colorado police station, leaving one woman clinging to life and a second violently abducted; Det. Rick Archer soon uncovers a disturbing pattern that may have started a decade earlier.