By Mark Konkol and Frank Main
CHICAGO — Over a 72-hour span on Memorial Day weekend in Chicago, gunfire claimed the lives of a dozen people. Another 45 were shot and wounded.
It was another in what's become a steady stream of violent weekends in Chicago. The figures are startling: Through June, the number of murders was up 37 percent over the same period last year.
Police Supt. Garry McCarthy is on the hot seat. His key strategy — putting more cops back on the beat — has been called a failure by some.
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