Gahagan Law Firm – The Immigration Law Firm Of New Orleans If you are trying to bring a family member into the United States, facing deportation or dealing with another immigration-related challenge, you can turn to Gahagan Law Firm, LLC, The Immigration Law Firm of New Orleans with confidence. Attorney Michael Gahagan will work closely and directly with you to achieve your goals. A Firm Where Immigration Law Is Much More Than A Business We understand firsthand how important efficient navigation of the U.S. immigration system is to our clients. Mr. Gahagan entered the practice of immigration law after a frustrating experience finding responsive, trustworthy legal counsel for his own family.