to prosecute him in the united states. so we focussed some of our efforts on that dart in the hopes that we would find a paper trail that led back to haji bagcho. >> we wanted to get evidence to show that 5 thousand u.s. dollars had gone to haji bagcho. so we condukted a search warrant at the hawalar's office. and it's a massive sarafi market. there's open areas inside the market. >> it reminded me of, as a child, going to the county fair. all the smells and sounds and people. kiosks, karts. it was very busy. >> and there's legal and illegal businesses going on. >> you could buy a number of things, clothing, office supplies. but you would also have karts that were full of opium based. instead of churros it was disks