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 $5,000 had gone to ha haji bagcho. so we conducted 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 of opium. lots and lots of opium.