In Cold Pursuit, Nels clarifies to his brother Brock-who is a previous hitman-that he has been wrapping the bodies in rooster wire right before dumping them in the gorge for the reason that the wire weighs the bodies down so they sink, but lets the fish accessibility to the entire body to nibble at it. Brock asks him where he figured out all of this, and Nels suggests he watches a lot of crime demonstrates.