On Being an Immigration Lawyer in Washington DC Posted by Ava Benach November 29, 2015 We get a lot of questions about what it is like to be an immigration lawyer in Washington DC. After all, immigration is a federal matter and Congress and the executive branch are just blocks from our office. In addition to the White House and Capitol Hill, there are the headquarters of the Citizenship & Immigration Service, Immigration & Customs Enforcement, Customs & Border Protection, and the Executive Office for Immigration Review.