He terrorized Northern California in the late 1960s, killing young couples at secluded lover's lanes. Not satisfied with just the murders, he also taunted the public with cryptic clues, threats of increased violence and most famously, ciphers that were supposed to lead police to his identity, but mostly went nowhere. Detectives, reporters, and even civilians, have worked for decades to solve the case - but so far, no one has succeeded. Can new DNA techniques that were used to catch the Golden State Killer finally unmask this murderer, who is both infamous and completely unknown?

More than 900 Americans died in an isolated jungle in northern Guyana in November 1978. The man responsible, Jim Jones, has gone down in history as a madman who drove his followers to suicide. But the truth is more complicated, more horrifying, and more tragic than that. This episode dives deep into the life of Jones, from his lonely childhood to his spectacular rise as a charismatic minister sought out by politicians and film stars, and finally, to an almost unimaginable end: the mass murder of those who once called him "father."