They also have a tremendous psychological impact on intruders.One word : Landmines.
It's simple, effective, easy to build. You could just use shotgun shells as the explosive if you don't have anything else handy. Taking a shotgun blast to the foot and leg is usually enough to stop the average intruder.
The fact that he's a LEO is what makes that really scary. Having cops running around shaking people down will just accelerate the descent into chaosButch sounds exactly like my brother in-law.He's a Desert Storm Vet(Marines)and now a LEO.
He showed me some of his guns and ammo,then looked me in the eye and said the same thing.