Anything that can maim is legally "lethal force." There are legally defensible reasons for breaking into someone else's property. For example, if someone think

Anything that can maim is legally "lethal force." There are legally defensible reasons for breaking into someone else's property. For example, if someone thinks there is someone incapacitated inside, or if someone is running from danger and needs to hide. Finally, it's not really a booby trap if you're inside deciding which visitors get blasted.