expect to find much. >> after the inmate has exited the cell. went over, basically pulled up the mattress. he had some of the items under his mattress. additional mattress underneath the bunk. >> reporter: the items, tax forms and address book with social security numbers, birth dates and cheat sheets for filling out returns. that was december of 2006. what lindback stumbled upon was a scheme run by inmates at the monroe county jail near i can west. before they were busted they filed for more than $1 million in tax refunds involving half the jail population. >> but what they would do is go to other inmates and suggest to an inmate, i can get you $4500 in a tax return. it will cost you $500. >> reporter: in some cases with the help of friends and family, the prisoners would fill out the 1040 ez short form. then attach a 4852 form with the names of businesses that didn't