A .44 Magnum will go through 6 houses. I bet you guys didn't know that. That's why you should pack a .22.
If you aren't going to use a .22, you want to get Glaser safety bullets. Those are pretty safe too. But really any frangible bullets will do the job. You can't trust hollow points.
In other words, I learned a lot at Cabela's today while my special lady friend was cavorting through the local outlet malls.