>> yes. >> reporter: the model he was wearing is marketed as tamper resistant, but renz said, in part to get it off because the probation officers let him watch as they put it on. >> instead of telling him, you know, turn your head or put a paper bag over his face or something. >> reporter: district attorney william fitzpatrick would later prosecute renz for the crimes he committed. >> they were treating this guy as if he had been picked up for shoplifting a box of donuts. >> how many times in total would you say that you took the bracelet off from the time you first took it off until march 14th of 2013? >> i can only give an estimate, but i figure probably ten to a dozen. >> at any point in time when you had the bracelet off, uh, did you leave your home? >> yes. >> reporter: and when he left his home free of the device, renz began to prepare for his crime. first, with a trip to a local home depot. >> what did you go to home depot for? >> to purchase zip ties. >> reporter: zip ties, to be used as plastic handcuffs. and then to walmart. >> and when you went to wal-mart what did you pur