Maintaining an acceptable level of National Security is dependent on ensuring that strong immigration policies are in force.
Fast Facts
The September 11, 2001 terrorist attackers were foreigners who entered the country legally on a temporary visa, mostly tourist visas with entry permits for six months.
Since 2007, the U.S. apprehended 45,000 Special Interest Aliens (SIAs), i.e. individuals with suspicious travel patterns.
Prior to the COVID-19 pandemic, foreign tourists, temporary visitors, and returning U.S. citizens were not required to undergo medical screening upon entering the country.
Diaspora diplomacy, or the utilization of immigrant communities by foreign governments, is a means by which enemy nations can attempt to achieve their policy goals.
Transnational bad actors attempt to use immigrant communities in the U.S. as bases of operations and recruitment pools
Immigration Affects National Security
https://www.fairus.org/issues/national-security