Six Belgian girls mysteriously go missing at the hands of "The Monster." But soon, people begin to suspect that Belgium's infamous serial killer may be working for a powerful international pedophile ring.

Lynette Dawson, a loving wife and mother, disappears from her Australian home in 1982; days later, her husband, Christopher Dawson, moves their teenage babysitter into their home. It will be 40 years before the case is finally solved.

Tourists in Southeast Asia are mysteriously killed, and Charles Sobhraj confesses to the horrific murders. Convicted murderer Sobhraj, now a free man, speaks out in an U.S. exclusive interview to reveal a shocking new story.