 Some journalists continue to dispute the facts in the case , believing that the murder was retribution for reports by Martínez Pérez on drug trafficking and political corruption ; they have questioned the investigation by the state of Veracruz . Proceso magazine 's reporter said the investigators never explored the possibility that her journalism may have been the motive behind her murder . Press freedom organizations across the world have complained that the case was designed to cover up the crime instead of clarifying what actually happened . " We don 't believe them [ the authorities ] " , said Proceso reporter Jorge Carrasco on behalf of the whole newspaper magazine . 
