When a series of grisly murders occur shortly after a Monkeewrench Software partner thwarts an assassination attempt on a retired FBI agent, Minneapolis homicide detectives Leo Magozzi and Gino Rolseth team up to link the crimes.

"The Monkeewrench crew returns to face the city of Minneapolis's worst nightmare--a rampant serial killer on the loose--in the electrifying new thriller. When Minneapolis homicide detectives Leo Magozzi and Gino Rolseth are called to a crime scene in a heavily wooded city park, everything about the setting is all too familiar. And when they discover a playing card on the victim's body, their worst fears are confirmed--there's a serial killer operating...

Minneapolis detectives Leo Magozzi and Gino Rolseth join Grace MacBride and Monkeewrench to uncover a dark and ugly conspiracy that reaches deep into the safety of homes in this latest electrifying thriller from New York Times bestselling author P. J. Tracy. It's a bitter winter in Minnesota--too cold to kill. There hasn't been a murder for a month, but the lull quickly comes to an end for Detectives Leo Magozzi and Gino Rolseth, when they're called...