Bullets don’t ‘curve’ inflight. They can and are affected by crosswinds, but it would take a helluva wind to move an ought six round moving @ 2700 fps. .22 secs time of flight, how much wind does it take to move that round in .22 secs.
Just to be clear, my comment was about the the theory that the bodyguard shot backwards with a pistol under his arm. Nothing to do with the aught-six.