8 USC 1326
According to researchers at Transactional Records Access Clearinghouse (TRAC), the first six months of FY 2014 have seen substantial changes in the criminal enforcement of immigration laws among those districts along the border with Mexico.
There has been a drop in the number of criminal prosecutions for "illegal entry" under 8 USC 1325, but a continued rise in prosecutions for "illegal re-entry" (8 USC 1326).
Crossing the border was once a matter for civil immigration courts but is now handled in federal criminal courts along the border. Under this program, known as Operation Streamline, people caught crossing the border are criminally charged with either unauthorized entry (a misdemeanor) or unauthorized re-entry (a felony).Read more about Felony prosecutions of migrants at the border are on the rise and Arizona is behind it