The southern border is one problem. But western border-Pacific Ocean- is another.
In 2016 illegals via ‘visa overstays’ outnumbered illegals coming in from the south.
Search the internet for Visa overstays and see what it shows.
https://www.google.com/search?q=Visa+overstays&ie=utf-8&oe=utf-8&client=firefox-b
A huge numbr of visa overstayers!
Interesting that in 2015, twice as many were from Canada as were from Mexico. I’ll wager they’ve taken a lot of jobs Americans WOULD do. Hey, Trudeau! Hey!
Link: https://www.kqed.org/news/11512501