videos to make its case the military was attacked first. this video taken from an army helicopter captures images of men tossing gasoline bombs off a high-rise. this grainy frame shows a man with what the army says is a pistol. we do not see him fire it. images taken from ground level show a pro-morsi protester cocking what the army says is a sawed-off shotgun. the video does not show him firing it. other video shows the muzzle flash of a gun being fired. "i challenge the army to a public debate in front of the whole world, but there's no need. the blood spilled on the streets paints a complete picture that speaks for itself," this muslim brotherhood leader says. despite repeated requests, neither side has given cnn the original, raw footage. only edited material, sometimes without audio, sometimes slow