After it's owner wrecked on his motorcycle.
http://www.foxnews.com/auto/2018/04/16/motorcycle-rider-crashes-and-gets-shot-by-his-own-gun.html
http://www.foxnews.com/auto/2018/04/16/motorcycle-rider-crashes-and-gets-shot-by-his-own-gun.html
The article only mentions a 22LR pistol, and a hole in the bottom of the holster.