 In 1977, he joined the staff of "El Diario-La Prensa", New York City's largest Spanish-language daily newspaper, first as a reporter, later as a columnist, then as editor-in-chief from 1984-1989.According to de Dios, he fell out of favor with his bosses at the newspaper in 1989 because of his unflattering coverage of then New York City Mayor Ed Koch and as a result he was let go.After leaving "El Diario-La Prensa", de Dios hosted a radio show called "What Others Try To Silence," and he publicized alleged drug traffickers' names on the air.