Jose Hermosillo, 19, who lives in New Mexico, and his girlfriend were visiting family in Tucson when he was detained, relatives said. His case was dismissed Thursday.

A Department of Homeland Security official said Jose Hermosillo "wanted to turn himself in" and told Border Patrol he was a Mexican citizen.

Jose Hermosillo, a 19-year-old citizen from New Mexico was recently detained in Arizona for what DHS claims was entering the country unlawfully.