Ahmad Rahami's father on FBI's investigation of his son

"“Two years ago I go to the F.B.I. because my son was doing really bad, O.K.?” he said. “But they check almost two months, they say, ‘He’s O.K., he’s clean, he’s not a terrorist.’ I say O.K.”  He added: “Now they say he is a terrorist. I say O.K.”"