In 1986, 3 million undocumented immigrants gained citizenship. Eleven million crossed the border since then.
In 1986, there were 3,222 U. S. Border Patrol agents and 18,500 agents today. (There are 34,500 police in New York City alone.)
In 1986, the border was wide-open; today, barriers are built along 700 miles of the border. The U. S.-Mexico border is 1954 miles.