Future of four Colorado children in limbo after their mother was arrested at border checkpoint Denver7 and last updated 2021-02-05 16:56:43-05 DENVER â The future of four children between ages 5 and 14 living in Broomfield is in limbo after their mother, an immigrant rights activist, was arrested at a border patrol checkpoint in El Paso, Texas, a year after their father was deported. Hilda Martinez Murillo was arrested on January 29, 2021, on charges of conspiracy to transport illegal aliens, according to court documents. Friends of Murillo say she was visiting family in Texas when she was stopped at a temporary border checkpoint. She was transported to a detention facility in Doña Ana County in New Mexico.