Lower courts sided with prosecutors that the government can prosecute a robbery of drug dealers under federal law without showing the drugs were intended for interstate commerce. Pictured: Marijuana plants sit on a shelf at Coffeeshop Blue Sky cannabis dispensary July 22, 2009 in Oakland, California. (Justin Sullivan, Getty Images)

U.S. Supreme Court ruling gives edge to feds in drug prosecutions

WASHINGTON — The U.S. Supreme Court says the government can prosecute a robbery of drug dealers under federal law without having to show that the drugs were intended for interstate commerce.

The justices on Monday ruled 7-1 to uphold the conviction of David Taylor, a Virginia gang member who robbed two houses in an effort to steal marijuana from dealers.

He was prosecuted under the federal Hobbs Act, which prohibits attempted robbery that affects interstate commerce. Taylor said that the law did not apply because the marijuana was grown only in Virginia.

The Obama administration argued that Congress has authority over all domestic trade in marijuana, including production and distribution that takes places solely in one state.

Lower courts sided with prosecutors.