Lost in a lot of the media coverage and public debate is the fact that a significant number (this article suggests 40%) of illegal immigrants arrived legally, but overstayed a visa. Does this impact the policy initiatives intended to address the problem?  Should it? If so, how?

http://www.politifact.com/texas/statements/2013/sep/06/john-carter/john-carter-claim-40-percent-nations-illegal-resid/