Mexican and U.S. lawmakers call for investigations . Allegations say the DEA allowed agents to launder money , perhaps even on Mexican soil . Mexican Sen. Felipe Gonzalez : `` You ca n't fight crime by committing criminal acts '' you have to fight it with a different kind of law enforcement approach.â Score:
Mexican and U.S. lawmakers call for investigations . Allegations say the DEA allowed agents to launder money , perhaps even on Mexican soil . Mexican Sen. Felipe Gonzalez : `` You ca n't fight crime by committing criminal acts '' A former DEA agent says infiltration of Mexican drug cartels is essential .