At best, this could be a hint that a bit of metal was found in the shot officer that they hope to match.
On the other hand, fishing expedition? As various bits of slugs and bullets get handed in, if it even looks slightly like it came from a now verboten gun, raids will follow on the homes of the very people that found them.
At best, this could be a hint that a bit of metal was found in the shot officer that they hope to match.