Jones v. United States

FERREN, Associate Judge:

A jury convicted appellant Nathaniel Jones, Jr., of possession of cocaine and of heroin with intent to distribute each. D.C. Code § 33-541(a)(l) (1988 Repl.). He now appeals, contending the trial court erred in admitting certain testimony by the government’s narcotics expert and in admitting rebuttal testimony about the positive results of his drug tests using the so-called EMIT system, without providing expert testimony that EMIT has general acceptance in the scientific community. He also contends the evidence was insufficient to show that he had possessed the cocaine…