Hope this isn't one of you guys. Sadly, we've probably all seen this kind of "instructor" even if they haven't been quite this dangerous. Be safe at the range and look out for idiots posing as professionals.
Yikes. Obviously not his weapon but still..pretty careless. A well tuned and cocked revolver is not something to finger unless you are on target. Pulling it live off the firing line was just dumb. Even the student backed off..