A gun was found right by where the kid fell, on the far side of the fence.The gist seems to be that the kid tossed it right as he was turning around.

13yo running loose late at night with a handgun in Chicago.

"...if the gentlemen of Virginia shall send us a dozen of their sons, we would take great care in their education, instruct them in all we know, and make men of them." Canasatego 1744