This killer won't stop ...until she's dead When Lt. Everett T. Pope is notified of an explosion in downtown Denver close to the judicial buildings, his first instinct is gas leak. No such luck. As Incident Command and Pope's own Major Crimes unit move in, he discovers he knows the intended victims-an Assistant U. S. Attorney-and Pope's former partner, now a private investigator, has died shielding the injured AUSA with his body. As ATF and the FBI take over investigating the bombing and unraveling motives behind the murder attempt, Pope is relegated to a peripheral role. But the injured AUSA's aunt is a United States senator used to getting results. She turns to the team that solved the Black Pearl Killer murders with a very big ask-find her answers and locate the bomber. FBI Special Agent Brian DiPietro must recall his entire cold case team from their far-flung assignments knowing he's being asked to do the impossible. The senator, however, doesn't know the meaning of the word. All too soon, DiPietro finds his team working alongside ATF on a red-hot mission. One that uncovers a decades' old cold case.