You could report to small claim court. usually he wont appear if that is his fault and prepare all receipts mail to him prior small claim court filing with return mail slip. need his new address for small claim court summon and mail receipt to him, you could done that in county office and schedule the hearing date. after that, you will have a judgment, it will be on record for 7 years. each year has interest around 6-8% set by county. you could garnish his money at the final year. the money is tripled at least