The waiting list for a permanent resident visa (green card) has been as long as 10 years.

FORBES: Four Easy Ways For Republicans To Attract Immigrant Voters

Tamerlan, the elder brother, arrived in 2006 and was granted Permanent Resident status, while Dzhokhar, who arrived on a tourist visa in 2002, was given asylum status as a Chechen refugee from Dagestan, and eventually achieved U.S. citizenship on 11 September 2012.

CENTERFORSECURITYPOLICY: Time to Derail the Saudi ��Visa Express��

Marie came to the Hutchinson Center in 2002 as a medical fellow in 2002, worked on an H-1B visa, and was sponsored for her employment-based green card by the center, becoming a permanent resident in 2008.

FORBES: At the Fred Hutchinson Cancer Research Center Immigrants and Native-Born Work Together to Save Lives