Fairfax DUI arrests will follow the same basic process of booking and detention, no matter what law enforcement body makes the arrest. One of the best things you can do after being arrested is to contact a Fairfax DUI attorney.If you have been charged with a DUI, contact BR Hicks, PC to set up a free initial consultation. Call 866-973-3390 or fill out the online contact form. All first time DUIs in Fairfax first go to the General District Court. There is no jury, only a judge, a prosecutor, and a defense attorney if you hire one. Officers shall complete a warrant and arrest module in the RMS. Yes, in Fairfax County, a DWI Arrest will almost always result in a night in jail or the hospital. There is no specific legal rule that requires this. If you have been arrested for a DUI in Fairfax County, the Magistrate will set your first court date.