Investigators said Antonio Johnson, 21, of Chicago, had been arrested Tuesday on public intoxication and disorderly conduct charges when he allegedly broke a hole in the seat of the squad car and stuffed 12 small baggies of marijuana in the hole, the Chicago Tribune reported Friday.

Officers said they allegedly found a 13th small baggy of pot in Johnson's jacket pocket.

Johnson faces additional charges of possession of a controlled substance, drug tax stamp violation, criminal mischief and attempting to conceal evidence.