José Martínez Mendoza is considered a pioneer of investigative journalism in Mexico. He has received numerous awards for his work. He is a rigorous and acute witness to the reality of the country. He has written a biography of several personalities from the political life of Mexico.
His books include: Las enseñanzas del professor: Indagación de Hank González (The Teachings of Professor: Investigation of Hank González) and La maestra: Vida y hechos de Elba Esther Gordillo (The Master: Life and Acts of Elba Esther Gordillo), both published by Océano. His research on the reality of Latin America is quoted by the press in several countries.