He's accused of hitting a man in the face with a pair of brass knuckles.
33-year old Aaron Bustamante has been charged with aggravated assault with a deadly weapon.
According to the arrest affidavit, it happened back in April in the 1100 block of Roxanna Avenue.
Police say Bustamante knocked on the door and when the man answered, he punched him in the face with the brass knuckles and took off.
Turns out the victim is dating Bustamante's ex-girlfriend.
The victim and the woman identified the suspect.