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The new generation propelling Mexico's cartel violence

15 May 2014 Last updated at 22:31 BST

The Mexican authorities have killed or captured some of the country's leading drugs traffickers in recent months.

Those arrested include the head of the largest and most powerful drugs mafia, the Sinaloa cartel.

But the 100-year-old cartel has a new generation of gang members who are continuing the deadly business, as Paul Wood reports.

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