lack of evidence, a conflict in the evidence, or any combination of these. there is no burden of proof upon the defendants whatsoever, and the burden never shifts to the defendant to prove his innocence. when a a defense is raised by the evidence, the burden is upon the state to negate or disprove it beyond a reasonable doubt. though you may consider all of the evidence as a whole, conviction of one defendant does not necessarily require conviction of another. you, the jury, must determine whether the state has proven the guilt of each defendant beyond a reasonable doubt as to each count. if, after giving considerations to all the facts and circumstances of this case, your minds are wavering, unsatisfied, that is a doubt of the law and you must acquit that defendant. but if that doubt does not exist in your minds about the guilt of the accused, you will be