Maryland Criminal Law Section 5-201
§ 5-201.
  (a)   The Department, those of its officers, agents, inspectors, and representatives whom the Secretary designates, and each police officer and State's Attorney in the State shall:
    (1)   enforce the provisions of this title that are not specifically delegated; and
    (2)   cooperate with each unit that enforces any federal, state, or local law relating to controlled dangerous substances.
  (b)   The Department may:
    (1)   arrange for the exchange of information between governmental officials concerning the use and abuse of dangerous substances;
    (2)   coordinate and cooperate in training programs on dangerous substance law enforcement at the local and State levels;
    (3)   eradicate wild or unlawfully grown plants from which controlled dangerous substances may be extracted; and
    (4)   cooperate with the federal Drug Enforcement Administration by establishing a centralized unit that will:
      (i)   accept, catalogue, file, and collect statistics obtained from law-enforcement units, including records of drug dependent persons convicted of drug crimes and of other offenders who violate dangerous substance laws in the State; and
      (ii)   make the statistics available for federal, State, and local law-enforcement purposes.