For purposes of this Division, the following words and phrases shall mean: Convicted means: having been found guilty of a gun offense by a jury or judicial officer; the acceptance of a plea of guilty or nolo contendere for a gun offense; having been granted a probation before judgment after a finding of guilt for a gun offense, if the court orders compliance with this Subtitle as a condition of probation; or having been found not criminally responsible for a gun offense. Correctional facility means a facility that is operated for the purpose of detaining or confining adults who are charged with or found guilty of a crime. Gun offender means any person who is convicted of a gun offense in the Circuit Court for Prince George's County or the District Court of Maryland for Prince George's County. Gun offender shall not include a person whose conviction for a gun offense has been reversed on appeal or otherwise set aside pursuant to law or who has been pardoned by the Governor. Gun offense means: a violation of the Annotated Code of Maryland, Criminal Law Article, Sections 3-204 (Reckless endangerment - discharge of a firearm), 4-104 (Child's access to firearms), 4-203 (Wearing, carrying, or transporting handgun), 4-204 (Use of handgun or antique firearm in commission of crime), 4-303 (Assault pistols - Prohibited), 4-404 (Use of machine gun in crime of violence), 4-405 (Use of machine gun for aggressive purpose), 5-621 (Crimes involving controlled dangerous substances and paraphernalia - Use of weapon as separate crime), or 5-622 (Firearm crimes); a violation of the Annotated Code of Maryland, Public Safety Article, Sections 5-133(b) (Possession of regulated firearm prohibited), 5-133(c) (Restrictions on possession of regulated firearms - Penalty for possession by person convicted of crime of violence), 5-133(d) (Possession by person under age of 21 years prohibited), 5-138 (Sale, transfer, or disposal of stolen regulated firearm prohibited), 5-140 (Transporting regulated firearm for unlawful sale or trafficking), 5-142 (Removal or alteration of identification mark or number on firearm), 5-143 (Knowing participation in violation of subtitle), 5-203 (Possession of short-barreled rifle or short-barreled shotgun), 5-205 (Possession by person with mental disorder), or 5-406 (Manufacture or sale of handguns); or a violation of Section 14-142 (Discharge of Firearms) of this Subtitle. Chief of Police means the Chief of Police for the Prince George's County Police Department or his designee.