Leverage in death / J.D. Robb.

When Paul Rogan sets off a bomb at his office, killing eleven people, no one can understand why. He was a loving husband and father, with everything to live for. Then his wife and daughter are found chained up in the family home, and everything becomes clear. Rogan had been given a horrifying choice--set off the bomb, or see his loved ones suffer and die. Lieutenant Eve Dallas knows the violence won't end here. The men behind the attack are determined, organized and utterly ruthless. In this shocking and challenging case, both Eve and husband Roarke are heading into serious danger.