A man recorded sounds of gunfire during a video chat with a friend , company says . Man 's lawyer : " I'm not sure what you're talking about... " Score: 6 FBI obtained the video , lawyer says . The sounds could be a piece in the larger puzzle of what happened during the shooting .
A man recorded sounds of gunfire during a video chat with a friend , company says . Man 's lawyer : He inadvertently recorded sounds of Michael Brown shooting . FBI obtained the video , lawyer says . The sounds could be a piece in the larger puzzle of what happened during the shooting .