Originally Posted by laxman3221
If a person sets up such a trap to protect his/her property, he/she will be liable for any injury or death even to an unwanted intruder such as a burglar. It is illegal to set a booby trap on one's own property to prevent intruders.
Case law: Katko v. Briney
So you set up something without the intention (wink, wink) of it being a trap to protect property from intruders. Be creative. Plant some blackberries. They are extremely thorny and will grow quite dense. What police officer is going to contest something as innocent as berries? I mean, really.