Season 1

Serial killer Ted Bundy offers to help Det. Robert Keppel catch the Green River Killer, giving Keppel a chance to find GRK and get Bundy to confess to eight unsolved murders. Keppel must match wits with the world's most notorious murderer.

As Detective Bob Keppel listens to Ted Bundy's advice on catching the Green River Killer, clues into Ted's murderous mind emerge. Keppel steers the conversation into what both killers have in common: returning to where they disposed

As Ted Bundy profiles the Green River killer to Detective Bob Keppel, he reveals dark secrets about his own murders. But to get Ted to confess Keppel must keep his ruse going and play Ted's game to avoid the electric chair

Ted Bundy escapes from jail twice - but is caught after committing three more murders in Florida. Bundy is sentenced to death - Det. Robert Keppel must get Bundy to reveal more about the Riverman and confess to his own murders in Washington State.

As his date with the executioner draws near, Ted Bundy offers to confess to 8 Washington State murders - if he's allowed to live long enough to tell the tale. Det. Robert Keppel has a last showdown with the killer, hoping Bundy will finally come clean.

Ted Bundy is finally executed in 1989. Six years later Gary Ridgway is caught and charged with 40 Green River murders. When Ridgway confesses, Det. Robert Keppel realizes how eerily accurate Bundy's taped predictions about GRK really were.