Journalist for more than forty years, she specialized in investigating human rights violations in Mexico. Reality pushed him to address issues such as drug trafficking, violence, insecurity, militarism, and official abuse and corruption. He has written in newspapers and magazines and has hosted radio and television programs. He is the author of books such as A Mexican prison in Buenos Aires (1980), La Quina, the dark side of power (1989), The dirty hands of PAN (2006), The blackest stories of narco, impunity and corruption (2009) and The Uncomfortable Cartel (2010).