http://www.judiciary.senate.gov/about/subcommittees/immigration.cfm
Immigration, Refugees and Border Security

Jurisdiction:  (1) Immigration, citizenship, and refugee laws; (2) Oversight of the immigration functions of the Department of Homeland Security, including U.S. Citizenship and Immigration Services, U.S. Customs and Border Protection, U.S. Immigration and Customs Enforcement, and Ombudsman Citizenship and Immigration Services; (3) Oversight of the immigration-related functions of the Department of Justice, the Department of State, the Department of Health and Human Services Office of Refugee Resettlement, and the Department of Labor; (4) Oversight of international migration, internally displaced persons, and refugee laws and policy; and (5) Private immigration relief bills.

Membership - 7:6

Democratic Members
Chuck Schumer, New York (Chairman)
Patrick J. Leahy, Vermont
Dianne Feinstein, California
Dick Durbin, Illinois
Amy Klobuchar, Minnesota
Richard Blumenthal, Connecticut
Mazie Hirono, Hawaii
Republican Members
John Cornyn, Texas (Ranking Member)
Chuck Grassley, Iowa
Orrin G. Hatch, Utah
Jeff Sessions, Alabama
Jeff Flake, Arizona
Ted Cruz, Texas

U.S. Senate Committee on the Judiciary
Subcommittee on Immigration, Refugees and Border Security

224 Dirksen Senate Office Building
Washington, DC 20510

Majority Office
Phone: 202-224-6498
Minority Office
Phone: 202-224-7840