Illinois law makes it the separate crime of unlawful use of body armor for a person to wear body armor while committing another crime. This law can be seen in 720 ILCS 5/33F-2, which provides as follows:
Body Armor
Federal Felon in Possession of Body Armor Charges
Those who have been convicted of certain felony offenses are prohibited by US Federal law from possessing body armor. The applicable Federal law can be seen in 18 U.S.C. 931, which provides as follows: