District of Columbia Court of Appeals January 23, 2003, 99-CF-524, 01-CO-1279 (Benton v. United States)

FARRELL, Associate Judge:

Benton appeals from his conviction for distributing cocaine on the ground that the government failed to disclose at trial that a police witness, Detective Johnny St. Valentine Brown, who testified as an expert on the chain of custody of recovered drugs, had falsified his credentials as an expert in other criminal trials.