The Blackmail Murders

John Mariner's wealthiest client, Nathan Livingston, retains John and his retired Houston PD detective friend, Larry Wagner, to identify the killer of his blackmailer, Colton Weber, and retrieve and destroy incriminating photos showing him with other women in an intimate setting. As they track down the killer and the photos, Weber's sister, Denise, one of the women in the incriminating pictures, dies of an overdose. That sets off a scramble for the pictures and a more intense pursuit of the...