believe the graffiti was left between 1:39 and 1:46 a.m. Monday. The FBI and other agencies are assisting in the investigation. CNN (06/03, Watson), M Live (06/03, Dodge), Business Insider (06/03, Goodwin), CBS News (06/03, Staff Writer), Michigan Daily (06/03, Baum), and the Detroit News (06/03, Mackay