LEE COUNTY, FL -- Deputies in Florida say a theft suspect tried to chew off his own fingertips so he wouldn't be identified.It all started Thursday with a traffic stop on State Road 82, according to the Lee County Sheriff's Office . Deputies stopped a 2015 Mercedes that had been reported stolen.They say the driver, Kenzo Roberts, 20, was using a fake ID, had a handgun and had three fraudulent credit cards.Deputies put Roberts in the back of a squad car and once inside, they say he began to try to remove his own fingerprints by chewing his fingertips and rubbing them against the cage.A fingerprint scanner, however, identified Roberts and showed he had two felony warrants in Broward County for aggravated assault with a deadly weapon.Roberts is now facing several charges, including 3 counts of possession of a counterfeit credit card, grand theft auto, possession of a concealed firearm, possession of similitude of a driver's license, driving while license suspended and false identification given to law enforcement.Deputies also say he was in the U.S. illegally.