District of Columbia Code Division VIII. General Laws. § 48-1001. Definitions.

(1) “Chief of Police” means the Chief of the Metropolitan Police Department as the designated agent of the Mayor.

(2) “Controlled Substances Act” means Chapter 9 of this title.

(3) “Disperse” means to depart from the designated drug free zone and not to recongregate within the drug free zone with anyone from the group ordered to depart for the purpose of committing an offense under subchapter IV of Chapter 9 of this title for the duration of the zone.

(4) “Drug free zone” means public space on public property in an area not to exceed a square of 1,000 feet on each side that is established pursuant to § 48-1002.

(5) “Illegal drug” means the same as the term “controlled substance” in § 48-901.02(4)

(6) “Known unlawful drug user, possessor, or seller” means a person who has, within the knowledge of the arresting officer, been convicted in any court of any violation involving the use, possession, or distribution of any of the substances referred to in subchapter IV of Chapter 9 of this title.

(7) “Police Department” means the Metropolitan Police Department.