Characters in The Fifth to Die

Sam Porter

Chicago Metro detective who keeps hunting the Four Monkey Killer even after he is taken off the case.

Also in The Fourth Monkey, The Sixth Wicked Child

Anson Bishop

The Four Monkey Killer, whose past is told through journal entries as Porter closes in on his mother.

Also in The Sixth Wicked Child

Clair Norton

Porter's partner on the team, whose point of view carries the frozen-lagoon investigation.

Also in The Fourth Monkey, The Sixth Wicked Child

Brian Nash

Detective on Porter's team who works the new case while Porter is sidelined.

Also in The Fourth Monkey, The Sixth Wicked Child

Frank Poole

FBI Special Agent working the 4MK case who turns to Porter for his understanding of the killer.