From The Perry Mason TV Show Book (Revised)
This episode involves four victims: three humans and one canine.

Paul finds a missing woman at the request of her brother. Her name is Evelyn Forbes and she’s just escaped from an insane asylum. Later she’s wanted for murder.

Perry wants to clear the disturbed damsel, but he has to go up against Tragg to do it. Tragg does his best to hide evidence from Perry, but Perry wins in the end.