over my shoulder. >> reporter: christie has turned her business into a virtual fortress. just in this small room there are one, two three, four, five, six, seven, eight, nine cameras and those are just the ones i can see. banks keep shutting kelly down because the federal government still considers marijuana illegal. >> reporter: in the last 18 months i lost six bank accounts. >> reporter: she deals only in cash. no checks, no credit cards. marijuana shops are turning to heavily armed private security for help. >> thank you, sir. >> reporter: every month, ted daniels and his guards move cash in huge amounts. how much? >> we don't like to say how much our clients have in their store. >> reporter: as former military