If you are facing an assault or criminal charge in Texas, the cooperation of the victim or witness can be crucial for the prosecution's case. Back to Supreme PageLooking Up Legal Words Dictionary of Legal Terms.Most Affidavits of Nonprosecution don't get the case dismissed, which is their entire purpose. I am a misdemeanor prosecutor, so I do not see many truly violent assault cases or any involving deadly weapons. Navigate Texas criminal justice with nonprosecution affidavits. Learn the complexities, motivations, and legal help available. You will likely not get in trouble. "Lewis's presence in Indianapolis was especially concerning given that he is a Texas resident," detectives said in the affidavit.