NBC News Presents: Inside Evil - Serial Killers Jeffrey Dahmer & Son of Sam

A female serial killer who killed four young girls is sent away to prison, but a fifth victim escaped with her life. Twenty years later, the killer escapes and begins hunting for the one who got away.

New exclusive access and never before heard testimony gives a unique insight into the mind of America's most notorious serial killer, Ted Bundy. Breathtaking archive from the time and the voice of Bundy himself, reveals the monster inside the man.

Detectives are thrust into a chilling hunt for a sadistic serial killer from the past whose return marks the beginning of a new wave of grotesque, otherworldly crimes tied to a cosmic force.

Detectives Jake Doyle and Mary Kelly seek the help of an incarcerated serial killer named The Artist when a copycat killer strikes. While Mary searches for clues in The Artist's brilliant but twisted psyche, she and Jake are lured into a diabolical game of cat and mouse, racing against time to stay one step ahead of The Artist and his copycat.

When Lonnie Franklin Jr. was arrested in South Central Los Angeles in 2010 as the suspected murderer of a string of young black women, police hailed it as the culmination of 20 years of investigations. Four years later documentary filmmaker Nick Broomfield took his camera to the alleged killer’s neighborhood for another view.

When Lou Bloom, desperate for work, muscles into the world of L.A. crime journalism, he blurs the line between observer and participant to become the star of his own story. Aiding him in his effort is Nina, a TV-news veteran.

While holding a horror film festival, a group of film students find themselves stalked by a madman who may have a sinister connection to a cult leader.

When hundreds of videotapes showing torture, murder and dismemberment are found in an abandoned house, they reveal a serial killer's decade-long reign of terror and become the most disturbing collection of evidence homicide detectives have ever seen.

Aileen Wuornos remains a rarity: a female serial killer. From childhood abuse to death-row revelations, this documentary revisits her life and crimes.

A documentary of the decline of America, composed of archival material and exclusive footage, carnage, madness, and mayhem with an unapologetic sincerity on the factual depiction of violence in the industrialized nation of the United States. Featuring a juxtaposition of detailed accounts of terrible acts, brutal behavior, and interviews from experts and convicted killers alike.

Special Agent Jennifer Marsh works in an elite division of the FBI dedicated to fighting cybercrime. She thinks she has seen it all, until a particularly sadistic criminal arises on the Internet. This tech-savvy killer posts live feeds of his crimes on his website; the more hits the site gets, the faster the victim dies. Marsh and her team must find the elusive killer before time runs out.

The line between justice and revenge blurs when a devastated family uses social media to track down the people who killed 24-year-old Crystal Theobald.

Raised by a man leading a monstrous double life, the daughter of the BTK serial killer shares her chilling story.

Failed architect, engineer and vicious murderer Jack narrates the details of some of his most elaborately orchestrated crimes, each of them a towering piece of art that defines his life's work as a serial killer for twelve years.

A private investigator is forced into a dangerous alliance with a killer in order to uncover a quiet town’s grisly criminal underbelly and clear the name of her mentor, who is implicated in the crimes.

An FBI agent tracks a serial killer with the help of three of his would-be victims - all of whom have wildly different stories to tell.

After a local woman is murdered, a group of teenage liars create a warning e-mail of a serial killer named “The Wolf”, coming on the next full moon. The teens describe each death method The Wolf uses, but when the described victims actually do start turning up dead, suddenly no one knows where the lies end and the truth begins.

A non-stop roller coaster ride through the scariest moments of the greatest terror films of all time.

Walker investigates a murder connected with a missing government weapon. In addition, he tries to track down a teen on the run from a crime syndicate.

Homicide detective John Hobbes witnesses the execution of serial killer Edgar Reese. Soon after the execution the killings start again, and they are very similar to Reese's style.