The purpose of this subchapter is to establish an effective, efficient, and fair system of independent review of citizen complaints against police officers in the District of Columbia, which will: (1) Be visible to and easily accessible to the public; (2) Investigate promptly and thoroughly claims of police misconduct; (3) Encourage the mutually agreeable resolution of complaints through conciliation and mediation where appropriate; (4) Provide adequate due process protection to officers accused of misconduct; (5) Provide fair and speedy determination of cases that cannot be resolved through conciliation or mediation; (6) Render just determinations; (7) Foster increased communication and understanding and reduce tension between the police and the public; and (8) Improve the public safety and welfare of all persons in the District of Columbia.