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VALDOSTA, Ga. (AP) - A federal prosecutor is seeking more surveillance videos from a gymnasium where a south Georgia teen was found dead inside a rolled-up exercise mat.

The Valdosta Daily Times reports U.S. Attorney Michael Moore issued a subpoena for computer hard drives containing the original surveillance videos of the old gym at Lowndes High School in Valdosta.

WCTV reports a grand jury subpoena was issued Friday, and the FBI will get the videos.

Moore's office is investigating the death of 17-year-old Kendrick Johnson. His family doesn't accept conclusions of local and state investigators who say the teen died accidentally after being trapped upside down in a mat in January.

Relatives claim the youth was the victim of foul play. They question the authenticity of surveillance videos released last month.

(Copyright 2013 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.)

Copyright 2013 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

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