Detective Rex Coughlin
Rex Coughlin
Biographical Information
Real Name: Rex Coughlin
Family: Robert Coughlin (brother)
Affiliations: Internal Affairs
Physical Description
Status: Deceased - Gabriel Waincroft
Character Information
First appearance: Hana Lokomaika'i (episode)
Portrayed by: Robert Knepper

He was killed by Gabriel Waincroft in the episode Pono Kaulike (episode) instead of signing the statement he stabbed him in the eye with the pen.