After a fateful near-miss, an assassin battles his employers, and himself, on an international manhunt he insists isn’t personal.

To glean insight into the elusive BTK killer, Bill and Holden interview the Son of Sam, who makes a startling admission.

Amid sweeping changes at the BSU, Holden deals with severe repercussions from his close encounter with Ed Kemper.

The team cracks under pressure from an in-house review. Holden’s bold style elicits a confession but puts his career, relationships and health at risk.

Holden’s methods during a disturbing interview with mass murderer Richard Speck create dissension among the team and kick off an internal FBI probe.

Holden interviews the eerily articulate murderer Ed Kemper, but his research provokes negative feedback at the Bureau.

In 1977, frustrated FBI hostage negotiator Holden Ford finds an unlikely ally in veteran agent Bill Tench and begins studying a new class of murderer.