OCONOMOWOC -- U.S. Marshals are looking for 42-year-old Edward "Shawn" Johnson.
Law enforcement says in 2014, Johnson was the subject of a detailed and long-term drug investigation in Waukesha County. U.S. Marshals say Johnson was a known heroin distributor in the Oconomowoc area.
Johnson is charged with possession/intent to deliver heroin, maintaining a drug trafficking place, possession of drug paraphernalia, and bail jumping, among other charges.
U.S. Marshals say Johnson has a criminal history that goes back 20 years, and also includes theft and fraud.
U.S. Marshals say Johnson might be in Milwaukee near 35th and North. There's also some speculation he's fled to the Chicago area.
Johnson goes by the nicknames "Shawn" and "Black Shawn." He's 5'7'' and weighs 145 pounds. He has a tattoo of a scorpion on his upper left arm.
Anyone with information on his whereabouts is asked to call U.S. Marshals at 414-297-3707.