Every barrier, wall, fence, vault or enclosure is vulnerable given the right tool and enough time.
That’s where human eyes, sensors and electronic surveillance comes into play.
If you removed the guards from a prison eventually all the cons would find a way out.
“That’s where human eyes, sensors and electronic surveillance comes into play.”
Yep, and Israel seems to be doing pretty well with a properly maintained border wall, a fact that seems to have escaped NBC’s attention.
That’s exactly correct.
A wall will not stop the most ambitious...
But if you slow them down enough you can catch them trying.
They will quickly learn not to try.
You need TWO walls, with a sand track between them.
East Germany did that with the Berlin Wall.
But they were not trying to keep people out, they were trying to keep people in.