You can set a "watch" on these addresses and be notified by email when your bitcoins are moved again here;

http://bitcoinwhoswho.com/address/18ZnbD5JQwdEJRwKrb34nXPu7J6pHN1CMR
http://bitcoinwhoswho.com/address/16YiXuw4eaFVvpyhX7mYufwsj77LHrydUx


It's possible the criminal won't hide their IP address and/or moves the balance to a wallet service that can be identified. Only takes one mistake for scammers to be revealed forever.