Chilling and eerie connect similarities to four brutal double murders between 1986-1990. Now, a team of former FBI special agents intends to bringing them to justice and providing answers to the victims' families.

Killer Motive uncovers dark and twisted motives, from vengeance to jealousy to greed that led to gruesome killings.

Buried in the Backyard examines true-crime stories of victims found buried in the most unsuspecting of places. While most people enjoy their backyard as a safe haven, others are not so lucky when they discover the horrors lurking beneath well-trimmed hedges and manicured fences. Uncovering the remains is only the beginning, however, as each hour-long episode follows a unique police investigation to identify the body, determine a cause of death and find the person responsible. Captivating recreations, along with first-hand accounts from those closest to the victims and law enforcement agents involved in the case, bring each shocking tale to life. As investigators dig into the "how" and "why" surrounding each crime, viewers are taken on an unpredictable journey and reminded that this could happen to anyone - in any home, in any neighborhood.

Told from the perspective of victims, families, colleagues and law enforcement, each episode of License to Kill exposes what happens when the hands that should heal are used to cause harm on patients at the most vulnerable times. Whether these doctors spiraled out of control over money, jealousy, power or from mental breakdown, viewers will get a look inside these killers' minds who lost sight of their Hippocratic Oath and used their practice for evil, leaving their patients sick, injured, paralyzed or even dead. The series recounts how authorities were finally able to stop these medical professionals' malpractice, putting an end to the madness before someone else got hurt or killed.

Mastermind of Murder explores the cunning criminals who manipulated others into doing their dirty work
 

This series from Blumhouse Television zeroes in on America's most notorious and outrageous killers from the Sunshine State. Often referenced as "Florida Man" in headlines, these killers commit bizarre and outlandish crimes that captivate the nation and sometimes feel as though they're straight out of a Hollywood movie.  With the aid of Florida investigators and prosecutors, the series unravels the cases' strange twists and examines what drove these killers to commit attention grabbing murders brutal enough to mistake for fiction. The premiere episode follows the case of Michael and Susan "Missy" MacIvor, a newlywed couple found brutally murdered in their home after a tropical storm rips through Tavernier Keys, FL.

See No Evil pieces together the truth when shocking surveillance footage reveals breakthrough clues to solve a murder.

A snap of a twig. A rustling leaf. In the woods, myth, urban legend, and horror collide with real-life killers. Transporting viewers into a vortex of dark mystery and psychological terror, each episode of Dead Silent tells the true story of a crime set in a desolate location.

Murdered by Morning showcases stories where individuals are unaware that the night in question will be their last. From a girls'-night-out gone bad to an overnight shift at a local toy store that takes an unexpected turn, the series recounts how an average night can quickly turn into a nightmare. By examining each case step-by-step, the series combs through numerous suspects until the killer is eventually caught. In each standalone episode, intrigue around the crime builds, dark secrets are uncovered, and Murdered by Morning proves that nothing good happens after midnight.

Twisted Love takes you inside the most unbelievably shocking crimes ever committed in the name of love. This jaw-dropping new series investigates how something as pure and simple as love and intimacy can turn into a hate capable of destroying lives and tearing entire families apart. We love our parents, our children, and our partners. We love with conviction, and with passion. But sometimes we are blinded by the unexpected power of love to turn into something more twisted. When adoration becomes obsession, and "I love you" turns into "if I can't have you, no one will," matters of the heart become incentive for murder.
 

In the Original True Crime Series New Scotland Yard Files, current and former New Scotland Yard detectives open their files to tell the inside stories of how they caught some of the capital's most notorious killers by following the ABC of the detective world: accept nothing, believe nobody and challenge everything. Each episode of the series uses ITN Productions' extensive archive, evocative reconstructions and in-depth interviews to take viewers through the twists and turns of a murder investigation in extraordinary detail, to reveal how police finally identify and catch the killer.The series is presented by former New Scotland Yard detective Peter Bleksley, who brings unique insight into the workings of murder investigations, with contributions from the journalists who covered the stories as they unfolded, criminologists who analyse the methods and motives of the murderers and forensic specialists who provide vital evidence to ensure the guilty are convicted.

A shocking murder with no viable suspects and no solid leads. The baffling homicides in If I Should Die can only be solved with help from the victims themselves, speaking from beyond the grave through their own words and guiding investigators to their killers.

Documentary exploring some of the most complex criminal investigations in Scotland.

The Most Dangerous Animal of All explores one man's search for the father who abandoned him, only to uncover the worst: he believes his father is the Zodiac killer, one of the most infamous serial killers in American history.

Investigation Discovery's three night event, Serial Thriller follows the gripping true story of the race to catch one of America's most notorious serial killers before he kills again.

Serial Thriller launches as a three-part miniseries event on June 7 at 10pm ET/PT with Serial Thriller: Angel of Decay, a true-crime story that will propel viewers into the heart of a community that was terrorized by one of the world's most notorious serial killers. The eerie outcome may have been ripped from the headlines, but Serial Thriller for the first time reveals the whole narrative by bringing together the untold personal stories and recollections of those closest to the killer as well as the detectives in charge of the investigation. This unprecedented focus on the forensic detail of the story gives Serial Thriller a unique window on the devastating ripple effect of a man who would go on to become one of America's most infamous criminals. The murderer's identity will be a mystery at first, and while many true-crime aficionados will be onto the case early on, other viewers will be left to unravel the clues until his identity is revealed in the second episode. Each character's vivid storyline serves as a reminder that behind every crime are real people and lives transformed.

Serial Thriller: The Head Hunter is the 3rd and final mini-series in Investigation Discovery's docudrama which is a true story based on a real American serial killer.

With first-hand testimony from family members, police officers, witnesses and reporters, Murdertown shines a light on some of Britain's darkest murder locations, examining the crimes that rocked these communities and the impact they have had on the people living there.Each episode focuses on a murder in one UK city, setting the crime in the context of its location's wider cultural and criminal landscape.

For every sadistic psychopath...there were signs. Charm. Narcissism. Lack of empathy. Impulsiveness. Manipulation. Deception. These traits and others are the telltale Signs of a Psychopath. This harrowing half-hour archive series revisits some of the most brutal killers in modern history, reviewing news footage and the words of the killers themselves to see which terrifying traits each killer exhibited. What are the signs...of evil?

A person suddenly and unexpectedly disappears; no trace, no clues, nothing but the lingering mystery they leave behind. According to the FBI's National Crime Information Center, there are now 110,484 active missing persons cases in the U.S., 53% are juveniles under the age of 18. Most of us have heard of the high-profile cases, such as Natalee Holloway, Stacey Peterson, and Chandra Levy. But have you ever heard of Mae Catherine Rocker, Alexis Peterson or Thomas Jay Kerr? Probably not. They are just a few of the hundreds of thousands of people in this country who one day, simply Disappeared. Most missing person's stories have never been told...until now. Disappeared is an exciting series that investigates the disappearance of these victims, who are here one minute, gone the next!