Lock2011-03-172011-03-172011-03-091964-07-151974-002 / 018http://hdl.handle.net/10315/7113Image of police officers, photographers and men standing on lawn with police car and crowd of people in background. Two circles drawn with chalk on the street.1 photograph : b&w negative ; 35 mm3200 dpiFor further copyright information contact : ascproj@yorku.caPhotograph