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

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.

While Jo and Isaac are at a punk rock club, a mummified body is found in the wall.

When investigators get close to uncovering the plot to kill the president, Duncan is ordered to take out an insider.