A wall would ensure that far fewer economic migrants are backing up the court system that asylum cases must also go through, and resolve the facility overcrowding issue. The problem is not with the facilities (which are on par with other developed countries), it is with the overcrowding causing medical cases being unseen and abuse between detainees.

After conducting blood tests, up to 1/3 of migrant children were found to not be related to the adults claiming to be their family. It is for humane anti-trafficking reasons that the separation rule was instituted in the first place.

https://www.washingtonexaminer.com/policy/defense-national-s...