There's a great article on similar situations at: http://www.berghel.net/col-edit/digital_village/dec-07/dv_12-07.php http://www.berghel.net/col-edit/digital_v

There's a great article on similar situations at: http://www.berghel.net/col-edit/digital_village/dec-07/dv_12-07.php http://www.berghel.net/col-edit/digital_village/dec-07/dv_12... He talks about being brought in to help the cops figure out why they kept arresting hookers, crooks, etc with pocket fulls of hotel room keys. It turned out they were encoding stolen credit & atm cards on them.