Javier Oliva, a political scientist at the National Autonomous University of Mexico, said the leaks pointed to a "very serious show of vulnerability," especially at a time the military's role in Mexico was being hotly debated.The hack also revealed the 68-year-old Lopez Obrador has been diagnosed with a form of angina, and had 10 medical consultations in the first half of January.Lopez Obrador, a vocal supporter of Wikileaks founder Julian Assange, said the group was likely of foreign origin.Carlos Loret, a Mexican journalist and noted critic of the government who first reported details of the leak, said the ministry's data trove showed how much power the armed forces has acquired under Lopez Obrador, who has tasked the military with everything from building infrastructure to overseeing customs.Lawmakers this month approved legislation extending the armed forces' remit to fight crime, defying criticism of alleged abuses by the military and concerns the government is militarizing public security."