Detective Isabelle "Izzy" Montoya is a character in the novel Final Destination: Dead Man's Hand. She is the wife of Charlie Montoya and the partner of Warren Ackerman. Izzy used to work for Vice as an undercover officer six months before, but she transferred to Homicide, presumably because she was tired of her relentless sting operations. Izzy and Warren were both assigned to a homicide case involving a child named Danny Lavirra who was brutally beaten to death. After the two discover the body, they head over and interrogate the child's mother, Carolina Lavirra, who hinted to the two officers that her boyfriend Roberto Diaz has a habit of becoming drunk and teaching Danny to "become a better person."