11.   Regardless, the prosecutors said, his confession proved his guilt because it included details about the murder that he could have known only if he were present.

12.   That does not prove the guilt of either O.J. Simpson or Mark Peters.

13.   Was the presence of his DNA at each crime scene enough to prove his guilt?

14.   Winning a civil case is easier than proving guilt beyond a reasonable doubt, as is required in a criminal case.

15.   But the American system of justice puts a very heavy burden on the state to prove guilt beyond a reasonable doubt.

16.   DNA tests failed to prove their guilt.

17.   Filipinos feel her guilt was not proven and have vehemently protested the hanging.

18.   However, three trials failed to prove his guilt and a military court finally pronounced him not guilty in January this year.

19.   Human rights groups have said the trials did not definitively prove the guilt of the defendants, and criticized the authorities for rushing to carry out mass executions.

20.   It also recommends tribunals guarantee that defendants will be presumed innocent, that guilt be proved beyond a reasonable doubt and that death sentences require a unanimous verdict.