Johnson was an ACU trooper in Austin's team who tried to subdue the Indominus Rex. He was killed when the Indominus ripped him in half. He was never shown on the life monitor board, but he is shown when he is walking in the grass, approaching the Indominus' tracker.
Before he was hired by Jurassic World, he was in a special SWAT team with Katashi Hamada. He was severly injured while on a mission to Syria, but he soon recovered. After his wife told him that she was sick of him fighting and getting injured, he was forced to have a divorce. When he saw a job opening for Jurassic World, he quickly joined