I vaguely recall hearing about this story when it happened (because it's a local story) and again a week or so ago when the officer was cleared:
http://tribunist.com/guns/cop-disarms-suspect-by-shooting-bullet-down-bad-guys-guns-barrel/
But today, while I was taking my Concealed Carry refresher course, it turns out that the instructor actually got to talk to this officer in some length because the officer's girlfriend was taking a Concealed Carry class from him a few weeks ago. He said that the officer had actually been on the range not too long before this incident practicing shooting at muzzle flashes, largely out of curiosity and opportunity (of available course challenges being offered). When he made this shot that's exactly what he was doing because, having already been shot multiple times by the assailant, that was the only thing he could still see well enough to shoot at. So while it was still an amazingly lucky, high-coincidence shot, it was far from the completely random coincidence the news media made it out to be (and, this time, I don't blame the news media for not mentioning this or even being aware of it -- it's the kind of background that they would only get had they dug deeper into the story than it realistically warranted).
http://tribunist.com/guns/cop-disarms-suspect-by-shooting-bullet-down-bad-guys-guns-barrel/
But today, while I was taking my Concealed Carry refresher course, it turns out that the instructor actually got to talk to this officer in some length because the officer's girlfriend was taking a Concealed Carry class from him a few weeks ago. He said that the officer had actually been on the range not too long before this incident practicing shooting at muzzle flashes, largely out of curiosity and opportunity (of available course challenges being offered). When he made this shot that's exactly what he was doing because, having already been shot multiple times by the assailant, that was the only thing he could still see well enough to shoot at. So while it was still an amazingly lucky, high-coincidence shot, it was far from the completely random coincidence the news media made it out to be (and, this time, I don't blame the news media for not mentioning this or even being aware of it -- it's the kind of background that they would only get had they dug deeper into the story than it realistically warranted).