CNN also provided Fredericks and his company , the Spokane , Washington-based Forensic Video Solutions , with hundreds more hours of video from 31 cameras in other parts of Lowndes High School . January : District attorney issues grand jury warrant for school hard drives . Kendrick Johnson 's body was found in a rolled - up gym mat in January . Previously released footage was missing footage from high school gym . Forensic video analyst : Hard drives may have been overwritten by now .
January : District attorney issues grand jury warrant for school hard drives . Kendrick Johnson 's body was found in a rolled - up gym mat in January . Previously released footage was missing footage from high school gym . Forensic video analyst : Hard drives may have been overwritten by now .