Savage Things (Savage Things #2)

Years after escaping the U.S. government’s clandestine global terrorist cell, Abel is back under surveillance. Being the only one of the trained killers to have ever left the Black Forest program, they need him to stop his former comrades before their terror campaign can escalate further. As the bad guys continue their bloody quest at a local hospital, Abel has to convince his handlers that the only way to stop these monsters is to become one. But even that might not be enough to stop Cain...