A mantrap is a mechanical physical security device for catching poachers and trespassers. ... Mantraps that use deadly force are illegal in the United States, and in notable tort law cases the trespasser has successfully sued the property owner for damages caused by the mantrap.

Is it legal to set traps for intruders?

Booby Traps are Illegal

Perhaps the most important reason to avoid an attempt to trap a burglar is the fact that it is illegal. ... In essence, if you set-up such a trap to protect your property from intruders, you will be liable for any injury or death even to an unwanted intruder such as a burglar.

What was a man trap used for?

The Man Trap

In the 18th and early 19th centuries common land and shared fields were being enclosed in pursuit of more efficient and productive farming, as well as for fashionable parkland.