Can't tell from the photos but looks like the park is barely 100 yards from farthest end to farthest end and you could be right about it being feet instead of yards.
I also read two different accounts of bad shooters gun, one says it was a 30-30, another says it was an assault rifle. Knowing journalists I suppose every rifle is an assault rifle. At least Stacy's gun wasn't called an assault rifle.
Good intentions will always be pleaded for any assumption of power. The Constitution was made to guard the people against the dangers of good intentions. There are men in all ages who mean to govern will, but they mean to govern. They promise to be good masters, but they mean to be masters.