Touch the top board of the left window eight times to take it. Use this plank + nail on the right window shade. Open the 'guitar' case twice. Load your gun. Try to open the toolbox. Search the corpse's hair. Use the hairpin on the toolbox then open it. Use the hammer on the boards of the left window. Use your gun on the window. Exit the sniper view. Look at the left wall. Use the hammer on the wall and reach through to get a camera. Use the camera on the window. Look at the picture and shoot where the flash is.