Forensic worker Ochoa examines DNA samples to help identify corpses, in the Mexican forensic building in Mexico City

 
Forensic worker Ochoa examines DNA samples to help identify corpses, in the Mexican forensic building in Mexico City
Forensic worker Rayo Del Carmen Ochoa examines DNA samples to help identify corpses, in the Mexican forensic building in Mexico City, in this picture taken June 14, 2011. Thousands of drug war corpses have exposed the gaps in Mexican forensic science, where teams struggle to identify victims, vital evidence is often overlooked and most murders go unsolved -- a far cry from the United States. Picture taken June 14, 2011. REUTERS/Henry Romero (MEXICO - Tags: CIVIL UNREST CRIME LAW SOCIETY SCI TECH)