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Pulitzer-prize winning journalist and filmmaker José Antonio Vargas, who started the campaign Define American and has been outspoken about being undocumented, was detained in McAllen, Texas as he was trying to board a plane, according to a press release from United We Dream. Vargas was in McAllen to show his solidarity for the children who have been recently crossing the border from Central America, and has been writing about it.

Vargas, who came to the U.S. from the Philippines, has been on the cover of Time Magazine after "coming out' as being undocumented after an already established career in journalism. His 2013 film Documented was acquired by CNN.

Vargas tweeted about his arrest.