Defense ministry : 3 officers and 10 troops were charged with drug crimes . - The military has been accused of using excessive force against protesters in the past, including a case where soldiers shot at demonstrators who had thrown rocks during an anti-government protest on June 4 last year. That amount of drugs is worth more than $ 120 million , according to average price estimates in the United Nations 2010 World Drug Report . Mexico 's president has deployed thousands of troops to combat drug cartels .
Defense ministry : 3 officers and 10 troops were charged with drug crimes . - The military has been accused of using excessive force against protesters in the past, including a case where soldiers shot at demonstrators who had thrown rocks during an anti-government protest on June 4 last year. Mexico 's president has deployed thousands of troops to combat drug cartels .