Warren Ackerman is a character in the novel Final Destination: Dead Man's Hand. A tough-as-nails detective for the Las Vegas Metropolitan Police Department, he was a survivor of the Merlin's Tower elevator accident and Shawna Engels's boyfriend. Warren and his partner Isabelle Montoya were assigned to a case involving a child murdering one morning, a case that deeply disturbed Warren as he began to ponder who would beat a ten-year-old to death and why. The detectives went over to interrogate the boy's mother, Carolina Lavirra, where she told them that her boyfriend Roberto Diaz had a habit of teaching Danny some manners, and implying that he was abusive. Neither of them managed to get her to confess what happened to Danny, but they had their suspicions of Diaz. While on break, Warren share