Things went from zero to 100 mph in a matter of seconds, and it was decision time. We sprinted 100 yards back up to the spot where we were originally glassing from, and saw the bear walking the other way at 160 yards, almost out of sight. I told Gary, "Gimme that rifle," and I laid down, and put a round through his lungs at 173 yards. Gary had just gotten the camera turned on, was huffing and puffing, and on top of that, the sun was right on the viewfinder, so he had a heck of a time trying to keep it on the bear. After the first shot, the bear looked around then ran back the way he came. I put another round through his lungs on the run, then another one when he stopped. Although the first shot was a fatal shot, it's always a good idea to keep pumping them with lead until they are down to ensure a quick and safe recovery.