In Tucson, Arizona detective partners Tec Hoffman and Bill Jenkins have new crimes to solve. They will find that sometimes wickedness arrives in pairs. Tec and Bill are going to have a struggle locating these terrible duos. Even with the help of Sara they've got some difficult puzzles to solve. As two of Tucson's finest go on the hunt, confusion abounds but these two are good at bringing order out of chaos. And when Frank Alvarez joins the detection team, what appear at first to be coincidence may provide the key to solve the case and bring the pair of serial killers to justice before they can strike again (and this time way too close to home) Logic and luck both come to play as Tec works his way up to the point of an arrest. There's a copy-cat too and a home invasion with amazing consequences. And maybe, just maybe, Julie will reappear for a momentit's been almost ten years since she managed to get away with murderbut Tec never gave up on finding her and won't do so now.