Internet sleuths claim Gabby Petito’s boyfriend Brian Laundrie is seen reading a book about women who go missing in a video uploaded to the couple’s Youtube travel channel. Laundrie, who has been named a person of interest in the case, is briefly shown reading what appears to be Jeff VanderMeer’s “Annihilation,” a 2014 novel about four women who venture into the so-called Area X, where three of them die and the fourth stays permanently. “The clip is of … Brian reading a book, and it is apparently called Annihilation by Jeff VanderMeer, about groups of people exploring uncharted terrain that...