Art of Murder 3: Cards of Destiny Hints

I can't get a close-up and Nicole's comment is no help.

  • 1 of 4: The mechanism is too high to reach for Nicole.
  • 2 of 4: Find some kind of ladder.
  • 3 of 4: There's a metal grating at the left of the shooting gallery.
  • 4 of 4: Use it on the right part of the gallery (not the shutter itself) and then click on it again to turn it upwards.