Johnny "Skidmark" Scardino is a free-lance crime-scene photographer and part-time blackmailer. When his associates begin to turn up murdered, he has a very short time to discover the killer ... Read allJohnny "Skidmark" Scardino is a free-lance crime-scene photographer and part-time blackmailer. When his associates begin to turn up murdered, he has a very short time to discover the killer before it is his turn.Johnny "Skidmark" Scardino is a free-lance crime-scene photographer and part-time blackmailer. When his associates begin to turn up murdered, he has a very short time to discover the killer before it is his turn.