Eight years ago, Luis Macedo decided to drop out of gang life in Chicago, and moved to Mexico to build a quiet life as a barber and boxing coach, his lawyer said Tuesday. But that decision came after Macedo and his fellow members of a Gage Park Latin Kings crew realized police had arrested a fellow gang member who could implicate them in the murder of 15-year-old Alex Arellano, Cook County prosecutors said. Macedo fled to Mexico, but not before telling his fellow gang members to stay silent about the killing, and directing them to set fire to Arellano's still-undiscovered body that had been shot and ran over by a car, authorities said. In the years since, Macedo, now 29, had worked a variety
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