You should hire a federal criminal defense lawyer as soon as you learn you may be under federal investigation. Waiting until federal charges are filed can significantly limit opportunities to protect your rights, respond strategically to investigators, and shape the direction of the case before prosecutors make charging decisions. Whether you receive a federal target letter, grand jury subpoena, search warrant, or contact from federal agents, consulting a lawyer as soon as possible should be your priority.
You Do Not Need to Wait Until Charges Are Filed to Hire a Lawyer
Many assume that the time to hire a federal criminal defense attorney is after an arrest or indictment. In reality, federal criminal cases often begin quietly, without any formal notice that you are the focus, and are built over months or even years, long before charges are filed.
During the pre-indictment stage, federal agencies may collect financial records, review electronic communications, execute search warrants, issue grand jury subpoenas, and conduct witness interviews while working closely with prosecutors from the Department of Justice. By the time you learn you are under federal investigation, the government may already believe it has significant evidence linking you to a federal crime.
Hiring a federal criminal defense attorney early allows you to understand your legal exposure, protect your constitutional rights, and begin developing a defense strategy before the investigation advances further.
Signs You May Need a Federal Criminal Defense Lawyer
Even if you believe the situation is a misunderstanding, these events should always be taken seriously. An experienced criminal defense lawyer can help protect your rights and prevent avoidable mistakes during the investigation.
Subpoena
A subpoena is used to compel information during an investigation. It may require you to submit documents or testify before a federal grand jury. Being served a subpoena does not necessarily mean you will be charged with a crime, but it does indicate that federal prosecutors or investigators are seeking evidence in a matter connected to you. An attorney can help you understand your obligations, preserve your rights, and determine the appropriate response.
Search Warrant
If federal agents execute a search warrant at your home, office, or business, it means that the government has obtained judicial authorization to search for evidence related to a criminal investigation. Search warrants often occur after investigators have spent considerable time gathering information. You should avoid discussing the investigation and contact a federal criminal defense lawyer immediately.
Contact from Federal Agents
Agents from the FBI, Department of Justice, IRS Criminal Investigation, DEA, SEC, HHS-OIG, or Homeland Security Investigations may request an interview or ask questions about an ongoing investigation. Even if agents describe the conversation as informal or suggest you are not a target, you should consult legal counsel before speaking with investigators.
Grand Jury Activity Involving Others
Sometimes the first indication of a federal investigation is learning that coworkers, business partners, employees, or family members have received subpoenas or been contacted or interviewed by investigators. Although you may not have been contacted directly, these developments can indicate that conduct connected to you or your business is being examined. Early legal guidance can help you understand your position and prepare for potential government contact.
Federal Target Letter
A target letter is different from investigative tools such as subpoenas, search warrants, or witness interviews, which are used to gather evidence during an investigation. It is a formal notice by a United States Attorney’s Office stating that prosecutors consider the recipient the target of a federal criminal investigation. While it is not an indictment, receiving a federal target letter generally means the government believes it has substantial evidence linking you to a crime and is actively evaluating whether to bring charges. If you have received a target letter, seek legal counsel immediately.
What to Do After Contact from Federal Agents
Federal criminal investigations differ significantly from state criminal cases in their scale, the resources dedicated to them, and their structure. They may involve allegations of healthcare fraud, wire fraud, mail fraud, bank fraud, securities fraud, cryptocurrency fraud, tax offenses, money laundering, RICO and conspiracy offenses, cybercrime, drug trafficking, firearms offenses, public corruption, and other federal crimes.
If federal agents contact you:
- Remain calm and avoid making statements without legal counsel. Even informal conversations can later become part of a federal investigation.
- Do not attempt to explain the situation or speculate about the facts.
- Avoid speaking about the case or your situation with anyone other than your lawyer.
- Do not destroy, delete, or alter documents, emails, or electronic records, as this can create additional legal exposure separate from the underlying matter. Preserve all potentially relevant information.
- Contact a federal criminal defense lawyer immediately. Your attorney can assess the situation, communicate with investigators when appropriate, and help protect your legal position.

Proven Federal Defense in High-Stakes Cases
Tarras Defense focuses on resolving matters before criminal charges are filed. Outcomes have included declined prosecution, dismissed charges, and reduced sentencing. Founded by nationally recognized trial lawyer David Tarras and based in Boca Raton, Florida, our firm has represented clients in white collar and federal criminal defense matters, including:
- Tax fraud investigation exceeding $10 million in alleged losses—resolved without criminal charges
- $57 million forex fraud investigation—closed without prosecution
- $6 million medicare fraud allegation—no charges against the CEO
- PPP loan fraud and conspiracy case—full dismissal of federal charges
- $100 million in alleged cryptocurrency fraud—bond secured for foreign national
- Large scale drug trafficking conspiracy—faced 10-year mandatory minimum and potential life sentence, reduced to 5 years
Protect Your Reputation, Freedom, and Future
If you believe you may be under federal investigation, contact Tarras Defense for a confidential consultation.
Call: 954-592-9416
Email: David@TarrasDefense.com
Frequently Asked Questions: Federal Criminal Defense
Why Should I Seek Legal Defense Before I Am Charged?
Many federal criminal defense attorneys represent clients during the investigation stage, long before an indictment or arrest. An experienced federal criminal defense attorney can review evidence, evaluate the government’s theory, identify weaknesses in the investigation, and build a defense strategy before the matter becomes public. Early intervention may also help protect privileged communications, preserve favorable evidence, and ensure that responses to subpoenas or investigative requests are handled appropriately. In some cases, early legal intervention can provide context to prosecutors that influences how evidence is assessed before charging decisions are finalized.
What Should I Do If Federal Agents Want to Speak With Me?
You should consult a criminal defense lawyer before speaking with federal agents, or as soon as you believe you may be under federal investigation. Your attorney can advise you on your rights, determine whether communication is appropriate, and help ensure that any interaction does not negatively impact your legal position. Waiting until an indictment or arrest may limit opportunities to address issues during the investigation stage.