Every Three Hours

Forensic investigator Darby McCormick queues to enter Boston Police Headquarters on a freezing winter morning. Lured back to her hometown to help solve a cold case, Darby won't get far inside the station — and this will be no ordinary homecoming...
Because someone suddenly takes a woman hostage and a stand-off ensues. The man has explosives strapped to himself and other bombs hidden around the city, rigged to explode — every three hours — until he gets what he wants.
Working desperately agains