the attorney for the county sheriff s office says my client confirmed that the video was not altered or edited by anyone within the county sheriff s office. we believe that somebody corrupted this video, because it just does not make sense to us. reporter: so who s right? to find out, we took our copy of the video provided to cnn by the attorney for the sheriff s office to an expert. we brought the hard drive more than 2,300 miles here to spokane, washington, to dliv el it to the leading analysis, grant fredericks, a former police officer, a consultant for the u.s. department of justice and a contract instructor at the fbi academy in quantico. we are here to get an answer. has the surveillance footage be altered? those files are not original files. not something an investigators should rely on for the truth of the video. reporter: cnn hired frederick s company to analyze
office says my client confirmed the video is not altered or edits. it does not make sense to us. reporter: so, who is right? to find out, we took our copy of the video provided to cnn by the attorney to an expert. we brought the hard drive more than 2300 miles to spokane, washington to deliver it to the leading expert in video analysis. he s a former police officer, a consultant for the u.s. department of justice and contract instructor after the fbi academy in quantico. we are here to get an answer. has the footage been altered? they are original files. they should not be relied on for the truth of the video. reporter: cnn hired forensic video solutions to analyze the video.
was not altered or edited by anyone within the lowndes county sheriff s office. we believe it somebody corrupted this video because it just does not make sense to us. reporter: so who s right? to find out we took our copy of the video provided to cnn by the attorney for the sheriff s office to an expert. we brought the hard drive more than 2300 miles here to spokane, washington, to deliver it to the leading expert in forensic video analysis, grant fredricks. he s a former police officer, a consultant for the u.s. department of justice, and a contract instructor at the fbi academy in quantico. we are here to get an answer. has the surveillance footage been altered? those files are not original files, not something that an investigator should rely on for the truth of the video. reporter: cnn hired franoren video solutions to analyze the