[header] How to file a motion for nolle prosequi [title] Identify the reason for the motion. [step] Before filing the motion, you should identify exactly why you want to stop the prosecution. The judge will want to know, and you will have to include the reason in your motion. 
Generally, prosecutors file this motion for the following reasons : [substeps] You have re-evaluated the evidence. For example, you might not think the evidence is strong enough to get a conviction.