NEW : Mexican leaders have been trying to tamp down the violence by tightening controls on money-laundering and cracking down on corruption among local and municipal police forces infiltrated by drug traffickers . Interpol sending team to Mexico to check if sensitive info compromised . Comment: Previous `` Cleanup '' arrests have involved charges of selling info to drug cartels .
NEW : Interpol sending team to Mexico to check if sensitive info compromised . Comment: Previous `` Cleanup '' arrests have involved charges of selling info to drug cartels .