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      Columbia rapper found dead in garage, no sign of trauma

      Derek McAllister

      COLUMBIA (WACH) â?? Richland County Coroner Gary Watts has confirmed the death of a well-known rapper Derek McAllister, or â??SpeakerKnockerzâ??, who was found Thursday, March 3.

      Derek, 19, was found on Two Notch Road in Columbia, SC, dead in his garage on Thursday afternoon.

      An autopsy conducted this morning shows no sign of trauma and results are pending toxicology and other studies.

      The Richland County Coronerâ??s Office and Sheriffâ??s Department continue to investigate.