These are the terrifying tales of the unwanted neighbors who turn home sweet home into home sweet hell. A look inside the lives of horrific neighborly disputes and what happens when a simple issue turns into the worst night of a family's life. Do you really know who lives next door? This true-crime series tells the chilling tales of those with the misfortune to unwittingly take up residence within a stone’s throw of a psycho or killer.

Unusual Suspects is an American documentary television series on Investigation Discovery. The series debuted on June 21, 2010. The series showcases many of the most shocking and difficult cases in law enforcement history, and also sheds light on the investigations that led to the arrest of the culprits.

In each one-hour episode, Tamron Hall is joined by a core team of correspondents with extensive knowledge of law enforcement and a passion for storytelling. Series goes beyond the headlines to explore not only what happened, but why it happened, and how it was investigated.

It may seem like it, but victims of stalking are not just celebrities and those in the public eye; the widely-misunderstood crime affects millions of people in the United States each year, people who are in perpetual fear for their lives; criminal psychologist Dr. Michelle Ward -- a stalking victim herself -- presents stories of the crimes and explores the twisted psychology of those who committed them; victims and their families also recount their personal experiences and provide firsthand insight into effective steps they took to protect themselves; Dr. Ward offers practical tips that viewers can use to keep themselves safe.

Victims' rights activist John Walsh and his son, Callahan, showcase time-sensitive, unsolved cases in desperate need of attention, mobilizing the public to engage in the pursuit of justice.

A non-fiction investigative series of murder cases told through the personal experience of retired detective, Lieutenant Joe Kenda. Through re-enactments, discussions with investigation teams, and interviews with victims' families and other involved persons, the show highlights Kenda's successes with his 400 homicide case history and 92 percent solution rate.

The internet is no longer a place you log on and visit; it's where you live. The home of true crime is now online. The internet is the Wild West. And if you're not careful, you too could be caught in a Web of Lies.

Award winning journalist Paula Zahn unravels shocking crimes interviewing those closest to the case including lawyers, the victim's family, detectives and the convicted murderer themselves.

Investigating murders that intersect with Playboy, exposing the pitfalls of fame for those appearing on their pages and forcing audiences to question everything they thought they knew about one of America's most recognizable publications.

Monsters can be found lurking behind any innocent smile and on any street corner in America. Never-before-seen-video footage stares straight into the eyes of these killers who hide in plain sight. Anyone can be a monster.

While detectives search for clues among the living, veteran Dauphin County, PA, coroner Graham Hetrick uncovers secrets of the dead. Each episode features a stylized re-enactment of a compelling homicide case taken directly from Hetrick's files. As viewers are led through a series of twists and turns, Hetrick peels back the layers of the investigation to reveal how the murder happened and who is to blame.

Rivaling fictional blockbusters like "Girl on a Train" and "Gone Girl," Investigation Discovery's "Married With Secrets" looks at when happily ever after goes horribly wrong. The series dramatizes the twisted psychological warfare of marriages, telling stories of seemingly perfect unions that turn nightmarish after husbands and wives embark on secret lives that take them down devastating paths. From secret sadomasochistic sex games to hit men for hire, there's no vow too sacred to break and no place too twisted to go for these spouses. And once skeletons come out of the closet, no one is safe.

Gripping clips of kidnappings, break-ins, car chases, violent road rage incidents and other crimes rack up millions of views. But crimes gone viral goes beyond the jaw-dropping footage to tell the full story. Viral video of good samaritans who intervene to stop crimes, brave victims who fight back against their attackers, clever prison escapes and a shark heist.

Death by Fame goes behind the scenes to uncover the sinister side of fame and reveal the shocking true stories behind the rise, fall and murder of some of Hollywood's most promising stars.

Pull back the curtain on bizarre double lives and see the real stories of men and women who thought they were happily married, until the day they uncovered a shocking secret about their spouse leading them to wonder who it is they really fell in love with.

This compelling series investigates the motives and m.o. of female murderers. While males are often driven by anger, impulse and destruction, women usually have more complex, long-term reasons to kill.

The true stories of people who lived with a killer. How well do you really know your family? Would you recognize the warning signs? Or would you become entangled in evil?

Incorporating bodycam footage from the initial crime scene, surveillance video, and interrogation room recordings, homicide investigations unfold through dramatic real video footage providing an up-close perspective on homicide investigations.

The key to solving the toughest homicides lies somewhere in the final hours of a victim's life. In each one-hour episode, determined investigators must piece together events during this critical window to reconstruct the timeline, unlock the motive, and ultimately close in on the killer.

The Killer Beside Me exposes the dark underbelly of workplace evil where rivalry, romance, and the abuse of power culminate in a brutal slaying. Each episode in this series retells the shocking events leading to a horrific murder. How well do we really know our co-workers?