The Case of the Moth-Eaten Mink: Perry Mason, Book 39 (Unabridged‪)‬

A waitress in a favorite restaurant of Mason's runs out in the middle of the lunch rush, leaving behind her pricey mink coat. But this is only the first question in a cop-killer case that traps Mason's client with both an impossible story and the murder weapon. With Perry as a prime suspect with a blazing gunpowder trail that leads straight to the heart of the police department....