The recent horrific shooting in Kansas has drawn national attention. On the facebook page of the dead suspect ( I will not mention his name here) was this picture of a Glock pistol. It is a bit unusual. If you look closely, and enlarge the picture, you can almost read the entire serial number. The serial number on the slide and the barrel appear to match, but they seem to be mismatched to the frame. The frame seems to be a generation 3; the serial number on the slide and barrel, a generation 1. You can see the accessory...