 The shooting happened Tuesday evening on Carver Boulevard. CMPD says 19-year-old Marquez Summers showed up shot at a hospital where he later died. The suspect, identified as 22-year-old Demarius Poole, was already in the custody of the Mecklenburg County Sheriff's Office on unrelated charges. Poole is now charged with murder and discharging a firearm into an occupied vehicle. Anna Erickson, WBT News. Cornelius cops now responding to posts online that seem to show