Highland Park (United States) (AFP) – The 21-year-old man arrested for a mass shooting at a July 4 parade in a Chicago suburb has confessed and admitted he considered a second attack while on the run, police said Wednesday. After fleeing the shooting scene in Highland Park, Illinois, Robert Crimo drove to nearby Madison, Wisconsin, where he thought about carrying out another attack. “He did see a celebration that was occurring in Madison and he seriously contemplated using the firearm he had in his vehicle to commit another shooting,” police spokesman Christopher Covelli told reporters. Prosec…