Department of Investigation

Rose Gill Hearn Commissioner Rose Gill Hearn is the Commissioner for the Department of Investigation. Prior to her appointment, Hearn was the Deputy Chief of the Criminal Division and Supervisor of the Crime Control Strategies Unit of the US Attorney's Office for the Southern District of New York. Prior to that, she was an Assistant US Attorney. Hearn earned a BA in International Studies at Marymount Manhattan College in 1984 and a JD from the Fordham University School of Law in 1988.