Jean DeWolff is a detective who works for the New York Police Department.
In the game whilst free-roaming around New York you can do multiple photo investigations as side missions, some of these investigations include coming up to an police car which DeWolff will be standing next to. The car will have a laptop on its bonnet displaying a typed up document of the latest information on major crimes, that the detective is working on around New York. You will need to take a photos of this in multiple locations around Manhattan; doing this will unlock audio evidences with Jean DeWolff narrating what the text says on her investiagtions. Her investigations concern information on the crimes of criminals such as The Hood, Mr. Negative, Hammer Head and the Kinpin.