“…Although increasingly more research is appearing on substance use among Hispanics in the United States (e.g., Warner et al, 2006;Maxwell, 2006;Patterson et al, 2006;Wallisch and Spence, 2006;Deren, Shedlin and Decena, 2005;Shedlin, Decena, and Oliver-Velez, 2005;Vega, Gil, and Kolody, 2002;Alvarez and Ruiz, 2001;Berk et al, 2000;De la Rosa, Khalsa, and Rouse, 1990), qualitative and epidemiological data on substance use among populations living on the U.S.-Mexico Border are sparse (Wallisch and Spence, 2006;Frost, et al, 2007;Ramos, Ferreira-Pinto, and Ramos, 1998). Given national, state, and local discourse on immigration reform and its impact on immigrants with substance user treatment needs, research that contributes to understanding how immigration policies are perceived by immigrants and how such policies affect their utilization of substance user treatment programs is needed.…”