The total disregard for life exhibited by serial killers shocks our sense of humanity. How could human beings be capable of these horrific atrocities? And what causes such a murderous defect in the human psyche?

Cast: William Shatner, Eric Hickey, Joe Domanick, Clint Van Zandt, Judy Ho, Harvey Rosenstock, Helen Morrison, John Backderf, Ginger Strand, Robert Sberna, Karen Kuzma, David Berkowitz, Ted Bundy, Rosalynn Carter, Jeffrey Dahmer