On an early morning in 2017, Curtrina Martin inadvertently attended a pyrotechnic exhibit she compares to the Fourth of July. Except it was October, and it was inside her home in Georgia. The source was considerably less joyful. The FBI detonated a flash grenade in the house and ripped the door from its hinges in a raid to arrest a man, Joseph Riley, accused of gang activity, who lived in a different house approximately one block over. The agents would not realize their mistake until...