Note the estimated 85,000 who escaped the Border Patrol in 2011. Secure the border, first, then we can talk about how to get a Green Card. (Hint: it begins by getting in line legally and in their own country.)
A recent Government Accountability Office report cites Border Patrol data from fiscal 2011, the latest available, that 61 percent of estimated illegal crossings on the southern border resulted in capture, 23 percent turn back to Mexico and 16 percent got away.
Of the 85,467 who got away, 70,980 (83 percent) were counted by sign-cutting, with nearly all the rest from cameras and plain sightings.
Despite such precise tallies, Border Patrol Chief Mike