[Steely Tom]

Every impregnable thing ever built has eventually been impregnated. Someday, someone, somehow... and the world will be astonished.

True, but there's a time factor. As long as the United States military is functional, ADX will hold off a rescue squad long enough for the cavalry to get there.

[DesertRhino]

“As long as the United States military is functional, ADX will hold off a rescue squad long enough for the cavalry to get there. “

If someone tries a direct frontal assault. But that is the least likely way of an attempt to get someone out of a prison. Bad guys are more sophisticated than that. I would imagine their security is careful, but every guard and administrator has a pressure point.
America has never experienced the very spooky things done to people in power in the 3rd world.

[DesertRhino]

“As long as the United States military is functional, ADX will hold off a rescue squad long enough for the cavalry to get there. “

If someone tries a direct frontal assault. But that is the least likely way of an attempt to get someone out of a prison. Bad guys are more sophisticated than that. I would imagine their security is careful, but every guard and administrator has a pressure point.
America has never experienced the very spooky things done to people in power in the 3rd world.