1969: The Age of Aquarius - Peace, love and understanding! Nowhere was this more evident than in Helltown, also known as Provincetown, Massachusetts. And Tony Costa was at the center of it all. Like Charles Manson on the left coast, Tony had a group of loyal followers, mostly smitten women who called him Sire. Tony was the undisputed leader of their counter-culture movement, the charming man who speaks eloquently and hands out hallucinogenic drugs like candy.

But beneath his benign persona lurked a twisted and uncontrollable rage that threatens to break loose at any moment. Tony Costa is the most dangerous man on Cape Cod, and no one who crosses his path is safe.

When young women begin to disappear, Costa's natural charisma and good looks initially protect him from suspicion. But as the bodies are discovered, the police close in on him as the key suspect. Meanwhile, local writers Kurt Vonnegut, Jr. and Norman Mailer are locked in a desperate race to secure their legacies as great literary icons. 

Helltown written by New York Times bestselling author Casey Sherman, is a landmark true crime narrative that transports us back to the turbulent late 1960s.  And Mr. Sherman joins me