Federal Defense Attorney In Tallahassee, Florida
Last updated on October 27, 2025
Highly resourced federal prosecutors prosecute federal cases, and they often involve high-stakes cases. In Tallahassee, these cases are heard at the United States District Court for the Northern District of Florida, located downtown near Florida State University. Walking into that courthouse without a trusted defense is never advisable.
O'Brien Hatfield, has built a reputation across Florida for handling some of the most serious federal matters. Led by federal criminal defense attorney Mark J. O’Brien, our Tallahassee team has successfully defended doctors, business executives, military members and first-time offenders alike.
Why Federal Charges Are Different From State Criminal Charges
Being charged federally is not the same as facing state prosecution. Federal agencies often spend months, even years, building a case before an arrest. These cases usually move quickly once filed, and the penalties can be much harsher than under Florida law. That is why you need a federal defense lawyer who understands the process and knows how to anticipate the government’s moves.
Our federal crimes attorney services include defense against:
- Drug trafficking and conspiracy cases
- Wire fraud, mail fraud and other white collar charges
- Firearm and weapons offenses
- Child exploitation and internet-based crimes
- Health care fraud and tax fraud investigations
Having a federal criminal lawyer who is both knowledgeable and skilled is the best way to protect your rights from the very first step.
The Federal Case Timeline
Federal matters often follow a pattern: investigation, indictment, arraignment, pretrial hearings and if not resolved, trial. Each step has deadlines and procedural rules that can dramatically affect your case. Acting early with a complex criminal defense strategy helps ensure opportunities for negotiation, reduced charges or even dismissal are not lost.
Why Choose Our Federal Criminal Defense Attorney In Tallahassee?
We prepare for trial from day one. Our team includes former DEA, IRS and law enforcement professionals who know how investigations are built and how to dismantle them.
Let Us Help You
If you or a loved one is facing federal charges in Florida, call O'Brien Hatfield via 813-440-2347 or reach out online for effective representation. With offices throughout the state, we are available 24/7.
NOTE: MR. O’BRIEN ONLY REPRESENTS INDIVIDUALS AND COMPANIES ACCUSED OF CRIMES. HE DOES NOT REPRESENT VICTIMS OF CRIME OR HANDLE CIVIL CASES. IF YOU BELIEVE YOU ARE A VICTIM OF A CRIME OR NEED ASSISTANCE IN A CIVIL CASE, PLEASE CALL YOUR LOCAL BAR ASSOCIATION FOR AN ATTORNEY REFERRAL PROGRAM. PLEASE DO NOT CONTACT MR. O’BRIEN IF YOU BELIEVE YOU ARE A VICTIM OF A CRIME OR NEED HELP IN A CIVIL CASE. HE REGRETS HE WILL NOT BE ABLE TO ACCEPT YOUR CASE. MR. O’BRIEN ONLY HANDLES CRIMINAL MATTERS.