Is Harrison a serial killer in Dexter?
Olivia Hensley
Updated on March 02, 2026
In Dexter: New Blood, Dexter decides that Harrison has his own Dark Passenger and will become a serial killer as well - but the ending suggests that Dexter might have been wrong. At the end of Dexter season 8, Dexter fakes his own death and leaves Harrison with Hannah McKay who takes him to Argentina.