He could take the route that some people take with telemarketers. Take them to small claims court[0]. I remember reading about someone who went a step further.

He could take the route that some people take with telemarketers. Take them to small claims court[0]. I remember reading about someone who went a step further. When they got a default judgement against a company and the company didn't pay, they put a lien on the owner's home so he couldn't ever sell it until he paid up. I don't know what that takes to do, but it sounds fun! [0]http://www.killthecalls.com/suing-telemarketers.php http://www.killthecalls.com/suing-telemarketers.php