Mexican government responding to a series of deadly attacks in 2011 . The number of federal police officers patrolling the state has more than tripled . Sudden increase in violence follows arrest ##ing of high - ranking drug cartel member . The Michoacan cartel also is accused in the slaying of 12 federal police officers whose bodies were found Tuesday on a remote highway . La Familia has resulted in the slayings of 12 federal police officers .
Mexican government responding to a series of deadly attacks in 2011 . The number of federal police officers patrolling the state has more than tripled . Sudden increase in violence follows arrest ##ing of high - ranking drug cartel member . La Familia has resulted in the slayings of 12 federal police officers .