Skip to content LAREDO, Tex. (KGNS) - A religious sister detained by immigration officials is heading home, according to Congressman Henry Cuellar. Cuellar announced the news on social media, saying he spoke with Homeland Security Secretary Markwayne Mullin and Border Czar Tom Homan about the woman, identified as “Sister Letty,” who is affiliated with Lady of Sorrows Church in McAllen.