 In November 2008, Peraica lost the race for Cook County State's Attorney to Anita Alvarez, who was backed by the Chicago Democratic Party, in November 2008's general election.In 2010 Republican Primary election, Peraica defeated his opponent 75% to 25%.In the 2010 election for the Cook County 16th District Commissioner, he was arrested for tearing up signs of his Democratic opponent Jeffery Tobolski in McCook.