Tsarnaev Home Was Full of Bomb-Making Tools

During the manhunt for Boston Marathon bombing suspects Dzhokhar and Tamerlan Tsarnaev, FBI agents combed the brothers' Cambridge, Massachusetts, apartment for evidence and found an array of nails, BBs, wire, a battery charger, a fuse and parts of pressure cookers that they considered possible ingredients of a homemade bomb like those used to kill three people and injure hundreds at the race's finish line.