Upcoming Mexico election could be nation's bloodiest

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As Mexico prepares for the largest elections in its history, organized crime is once again preying on local candidates across swaths of the country where cartels dominate, raising concerns among experts that these could be Mexico's bloodiest elections ever.

Julian Lopez, coordinator for the Citizen Movement party in the southern state of Guerrero, experienced it firsthand when rifle-toting gunmen abducted him and two colleagues while they were driving on February 7. The 43-year-old Lopez was beaten, stripped of his possessions, made to kneel near a remote garbage dump and ultimately abandoned in the middle of the night.