Suspicion of smuggling has caused legal problems for many , an attorney says . The issue has come up before . One woman says she was forced to lose her Mexican citizenship . Another says her passport was taken and returned a year later after a lawsuit . The border patrol says its agents must verify that citizenship documents are valid .
Suspicion of smuggling has caused legal problems for many , an attorney says . One woman says she was forced to lose her Mexican citizenship . Another says her passport was taken and returned a year later after a lawsuit . The border patrol says its agents must verify that citizenship documents are valid .