 In Proceso , Martínez Pérez was an open critic of government corruption and abuse of authority , and wrote extensively on the local drug trade and organized crime . She was particularly known in Mexico for her in @-@ depth reporting on the Mexican drug cartels and how they corrupted government officials in Veracruz . Among her last publications before her murder was a political profile about Reynaldo Escobar Pérez and Alejandro Montano , two politicians of the Institutional Revolutionary Party ( PRI ) who were running for office in Congress . A week before her murder she had also written about an incident in which the Mexican Navy arrested nine policemen in the state who were allegedly working for a drug trafficking organization , the arrest of a high @-@ profile leader of Los Zetas drug cartel known as Comandante <unk> , and a story involving mayor Martín Padua Zúñiga from the National Action Party ( PAN ) who was arrested with drug traffickers following a gunfight with the Mexican Army . 
