Madison - About a dozen law enforcement officers, including FBI agents, visited the home of a former top aide to Gov. Scott Walker on Wednesday as part of a growing John Doe investigation. The home on Dunning St. on Madison's east side is listed in property records as belonging to Cynthia A. Archer, who was until recently deputy administration secretary to the Republican governor. "We're doing a law enforcement action," one of the FBI agents told a reporter. He didn't identify himself or provide further comment but confirmed that he and three others were with the FBI and that sheriff's...