Filling out an affidavit of non-prosecution in Texas is pretty straight-forward. It should state that the victim doesn't want to cooperate or prosecute.How to file an affidavit of non prosecution in Texas? An affidavit of nonprosecution accusing can help a witness looking to avoid a trial. Contact our Collin County criminal lawyers. Non-Prosecution in the matter of the State of Texas vs. This form contains detailed information that you and your lawyer need in order to more accurately assess the situation and craft an effective defense strategy. Charged with Assault Family Violence? An Affidavit of Non-Prosecution Can Help Get Your Case Dismissed. 972-480-3611. Need information on Texas affidavits of non-prosecution?