Claim: Up "to 45 percent" of illegal immigrants "are not people that physically crossed the southern border or northern border. They are visa overstayers."
Fact-check: Visa overstayers comprise 38 percent to 50 percent of unauthorized U.S. residents, per 2006 calculations
Verdict: mostly-true
Organisation: PolitiFact
Author: W. Gardner Selby
Date published: 2014-04-28T00:00:00