A Baltimore police officer guards a crime scene where orange cones mark the site of shell casings that were found at the scene of a shooting at the intersection of West North Avenue and Druid Hill Avenue in West Baltimore, Maryland May 30, 2015. Local media have reported more than 35 murders in the city of Baltimore since the April rioting over the death of 25-year-old resident Freddie Gray and shootings continue regularly in his West Baltimore neighborhood.  REUTERS/Jim Bourg - RTR4Y6CN
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