"Wait, wait, wait, " Wallace interrupted. "I know this statistic and wasn't sure if you were going to use it but I studied up on this. Do you know where those 4,000 people come, where they're captured? Airports." ...
Yeah,mostly because airports are full of walls and doors that channel them to the cops are.
As opposed to our basically unguarded and open border that is thousands of miles long with no walls to channel the illegals,and damn few agents to catch them.