Robert W. Stewart, Jr., a convicted felon, sold parts kits to make Maadi-Griffin .50 caliber rifles, which he advertised on the Internet and in Shotgun News.

A Bureau of Alcohol, Tobacco, Firearms, and Explosives agent discovered that Stewart had a prior conviction for possession and transfer of a machine gun 18 U.S.C.

[4] The ATF agent then applied for and received a federal search warrant for Stewart's residence.

On November 13, 2003, the Ninth Circuit Court of Appeals issued an opinion vacating Stewart's conviction for violating 18 U.S.C.

Raich holds that Congress can use the Commerce Clause to ban homegrown marijuana due to its potential to affect the supply and demand in the interstate market.

The Ninth Circuit reconsidered the case as directed and on June 30, 2006, reversed its decision and found in favor of the United States.