6x6 - Perry Mason

Phil Schuyler is a two bit songwriter who comes to a bad end on Halloween night. Someone enters his bungalow while Phil is taking a bath and tosses an electric heater into his tub thus turning him into a crispy critter. Damian White, husband of a famous musical comedy star, was seen entering the bungalow around the approximate time of the murder by an eyewitness. But what about all the trick or treaters?