Jackson is first mentioned in The Death Cure when Janson is reading out the list of names who are not Immunes. It is assumed that he will catch the Flare and become a Crank.
Film
Not much is known about Jackson in the movie other than his name is engraved on the wall. Unlike the book Jackson is killed in the Griever Attacks, he is one of two characters to survive the maze in the books but to die in the movies. The other is Stan .
