Accused of planting bombs in new york and new jersey now in custody. Investigation into his motives kicks into high gear. Ahmad rahami is held on 5. 2 million bail. Diane gallagher shows us the latest on the investigation on into rahami acted alone. Reporter with the new york city and seaside park, new jersey, bomb attack suspect in custody new questions now emerging. Authorities say they want to know ahmad rahamis motive and whether the 28yearold was taken into custody monday after nypd and fbi asked the public for help in finding him. Rahami was detained a few hours later when a bar owner in linden, new jersey spotted him and alerted authorities. I saw his face, then he moved his hoodie, shocked me because i was watching cnn on my laptop. And you have his picture on looked familiar, seemed like the same guy. Reporter another new jersey resident captured the moment just before the confrontation. Rahami walks towards police pointing a weapon and then gunfire. The bar owner who first sp