National Security Commissioner Renato Sales said federal police troops will work with local officials to round up known major criminals and bolster investigations.
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More than 25,000 murders were recorded last year as rival drug gangs increasingly splintered into smaller, more blood-thirsty groups after more than a decade of a military-led campaign to battle the cartels.
Violence is a central issue ahead of the presidential election in July. Mexican President Enrique Pena Nieto’s ruling Institutional Revolutionary Party is trailing in third place in recent polls.