701.3  Presumption of innocence.
  Every person is presumed innocent until proved guilty. No person shall be convicted of any offense unless the person’s guilt thereof is proved beyond a reasonable doubt.
[C51, §2819; R60, §4431, 4807; C73, §4106, 4428; C97, §5095, 5376; C24, 27, 31, 35, 39, §12892, 13917; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, §687.5, 785.3; C79, 81, §701.3]
See 
R.Cr.P. 2.22(9)