1.   American legal rules generally require prosecutors to prove that a defendant had the intent to participate in a crime in order to be found guilty of a crime.

2.   And the law requires prosecutors to prove the actual level beyond a reasonable doubt.

3.   As it now stands, prosecutors must prove a gun buyer intended to resell the gun illegally.

4.   Because of the ruling, they say, defense attorneys already are asking judges to instruct jurors that prosecutors must prove the images are of real children.

5.   A state law already prohibits throwing objects onto playing surfaces, but prosecutors must prove the person meant to cause injury.

6.   Again, however, prosecutors could not prove that bin Laden ordered the attacks.

7.   But Assistant U.S. Attorney Thomas Motley said in court that the prosecutors would have proved them had the case gone to trial.

8.   But for purposes of defending against the appeal on Tuesday, their attorneys did not dispute that prosecutors could prove the allegations against the men.

9.   But in determining whether bribery took place, prosecutors need only prove that a policy decision was made substantially because of a heavy donation to his re-election.

10.   But it is difficult for prosecutors to prove a crime when they have to show a relationship between the gift and the action.