Season 1

They may appear to be as ordinary as your next-door neighbor. In reality they're far from it. Serial Killers possess an unquenchable thirst for murder, performed with a total lack of remorse. Their names are seared into our collective consciousness as symbols unthinkable terror: Ted Bundy, John Wayne Gacy, Jeffrey Dahmer. Their heinous deeds are immortalized by their fearsome nicknames, Zodiac Killer, Green River Murderer and the BTK Strangler...Bind, Torture, Kill. For decades criminologists and forensic scientists have searched for keys to unlock the twisted psyche ...

Their names made international headlines for their cruel and sadistic acts. Kidnappers who abducted young women, imprisoned them for months, years or even decades and subjected them to rape and torture - sometimes even fathering children with their captives. Psychologists and profilers struggle to understand the motives and mindset behind these horrendous, long-term abductions. Ariel Castro captured and sexually abused three young women for a decade. Phillip Garrido took Jaycee Dugard when she was just 11 and imprisoned her for 18 years, fathering two daughters with ...

They are some of the most terrifying and tragic events of the 20th century - tales ending in horrific scenes of massacre, murder, sexual abuse and mass suicide. These are catastrophes caused by psychopathic Cult Leaders and their maniacal teachings. Charles Manson and his demonic family slaying seven innocent victims, including a woman who was 8 months pregnant. Jim Jones and his infamous poison potion killing over 900 followers, a third of them children. David Koresh responsible for horrible sexual abuse and the fiery death of more that 80 people at least 20 of them ...

They are some of the most powerful business executives on the planet, described as, "part CEO, part terrorist and part rock star." Crime Lords control powerful organizations that generate unimaginable wealth. But their fortunes aren't created through clever corporate strategy. Their businesses are built on gambling, drugs, intimidation, fear and murder. Their tactics are heartless, their methods are cruel and their psychology is pure evil. Al Capone, John Gotti, Pablo Escobar and Joaquin "El Chapo" Guzman. They are the cunning and ruthless leaders of syndicates, ...