D.C. Code § 24-201.27
The Mayor of the District of Columbia, pursuant to regulations prescribed by the Council of the District of Columbia, is authorized to provide for the payment of rewards for the capture, or for information leading to the apprehension, of fugitives from District of Columbia penal, correctional, and welfare institutions and of conditional release and parole violators. Funds appropriated pursuant to this section shall be apportioned and expended in the discretion of, and upon such conditions as may be imposed by, the Mayor of the District of Columbia. No reward money shall be paid to any officer or employee of the Metropolitan Police Department, or of any penal, correctional, or welfare institution, or of any court, legal agency, or other agency closely involved in the criminal justice system.
D.C. Code § 24-201.27