Case Summary
As of my last knowledge update in October 2021, I do not have specific information or details about a case titled "United States v. Gregory Villegas" with docket number 8437000. Since I cannot access real-time databases or specific legal case files, I recommend you check reliable legal databases, court records, or official legal resources for the most accurate and up-to-date information regarding this case.
If you provide me with details about the case, I could help generate a summary based on the information you give.