Explore the affidavit of nonprosecution, its legal implications, and potential future developments in criminal cases. There isn't always a form to fill out.You can contact their office and make sure they know your wishes. Use this form to swear under oath in writing to facts that you personally know. An affidavit is nothing more than a signed and notarized letter. To fill out this form correctly, you need to provide your identity and employment details. All forms below with a "fillable icon" are documents that you can open "on-line", fill in the appropriate fields and then print on your printer. Illinois Legal Aid Online provides a guided interview called an Easy Form that will help you fill out the forms. Victims wanting to drop charges should fill out an Affidavit at the States Attorneys Office requesting that the States Attorney discontinue prosecution. How do I complete an endorsement affidavit for my assault weapon attachment if I do not have a FOID card?