a wall would do the opposite though, wouldn't it? break through the wall, and you have even more time before CBP can respond. comparing against alternative me

a wall would do the opposite though, wouldn't it? break through the wall, and you have even more time before CBP can respond. comparing against alternative means, like having more drone coverage, and better CBP placement based on ML analysis of the drone input would be a far more cost effective mechanism for the same thing