I was kinda thinking about doing it but then realized how stupid it would be if anything happened. You can't take too many precautions with firearms and shooting inside a home is not a good idea. Like someone mentioned earlier, the media would have a field day with an event like this and it would only put fuel on the Liberal's fire. Lead is another thing you don't want to be exposed to, no matter what the quantity is. A .22 LR probably wouldn't make enough noise but imagine if someone heard it and called the cops.
911- "911, what's your emergency?"
Granny- "I can hear gunshots in the house next to me"
Next thing you know, the SWAT team if on your door.