Next you’ll be liable if a robber accidentally shoots himself with your gun in your house while robbing it.
Wow, this is terrifying.
I'm a geologist.
Cain smote Abel with a rock...
There are rocks lying around almost everywhere, almost none have their safeties engaged, and neither I not those in my profession have the time or resources to secure them all.
Almost anyone can train one to attack, too. All they have to do is pick up the rock, say "sic 'em" and throw the rock at their intended target.