John Kelton is the step father of the murder victim Warren Granger. When Booth and Brennan get to Warren's house they are lead to his room by his parents. His mother leaves and his father says that he had thought that he had simply run away. His father also says that he got him a job at the bowling alley, and that they tried to get him out into the world, but he just spent all his time and money on comic books.
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