"Might Sneed have lied to save his own skin? Reasonable doubt? Nothing is more likely." And nothing more need be said. I don't understand how it seems impossi

"Might Sneed have lied to save his own skin? Reasonable doubt? Nothing is more likely." And nothing more need be said. I don't understand how it seems impossible to force into people's heads the two notions that the burden of guilt lay with the prosecution and that guilt must be established beyond a reasonable doubt.