Loophole Used by 9/11 Hijackers Still Open with 6 Million Visa Overstays in US – Breitbart

And the biggest group of visa overstayers in the US are millions of H-1B workers in Silicon Valley.

All of them were supposed to be Y2K temporary guest workers and go home in 2002 when Y2K ended. At least 5 million of them have overstayed their visa and are still here.