Prosecutors say Menem failed to report two bank accounts – including one holding $6 million – as well as two light aircraft, stocks, cars and real estate.
U.S. journalist Glenn Greenwald told Brazil's Globo television on Sunday that the U.S. National Security Agency tracked Brazilian President Dilma Rousseff's use of the Internet and accessed emails of Mexican President Enrique Peña Nieto.
Winning a World Cup berth could rally a nation rent by politics and religion, where more than 1,000 people have been killed since the military deposed an unpopular elected government on July 3.
Some 10,000 teachers have camped out in the capital's historic Zócalo square for the past two weeks, leading protests that have snarled traffic in the congested city.