David Julian Hirsh

Nick and Hank are called when a victim appears to have died from clay-induced asphyxiation; Wu grows more suspicious of Trubel's presence.

Rosewood reveals the blueprint for the perfect murder during a speech at an out-of-town forensic pathology convention, with deadly results; TMI's estranged father pays an unexpected visit.

Sqweegel, a serial killer who is punishing local heroes that harbor hidden secrets, is on the hunt in Las Vegas.

Mac and Danny look into the mysterious death of a man torn apart by tigers at the Bronx Zoo, which leads them to both the dead man's meat packing plant as well as his mafia relatives. Hawkes and Stella are left with the case of a beautiful young debutante found dead on the carousel only hours before her coming out.

When a student finds a former teacher's car keys in an old desk, Lilly and the team take a new look at the teacher's death, previously thought to be a fatal carjacking.

When a secret admirer's ghost stalks Ned's professor, a Ouija board is used to solve the mystery.