Assistant state's attorney Susan McGrath, 62, of Champaign, who has been licensed to practice law in Illinois since November 1982, said her experience qualifies her to lead the office. URBANA — An assistant state's attorney is the latest to announce her candidacy to be the Champaign County legal system's record-keeper. Susan McGrath, 62, of Champaign said she plans to seek the Democratic Party's nod to be the candidate for circuit clerk, an office held by Republican Katie Blakeman since 2012.