American Liberty Law Group (ALLG) is a team of experts in immigration law who specialize in complex cases such as I-601A Provisional Unlawful Presence Waivers, Consular Processing, Prosecutorial Discretion (PD), and appeals. ALLG is led by William J. Marvin, Esq., an accomplished attorney with 40 years of service in the U.S. Marine Corps, U.S. Department of Justice, and private practice. With its headquarters in Las Vegas, ALLG accepts immigration cases from across the United States.