Our Federal Criminal Defense Experience in Massachusetts
Lowther | Walker provides exceptional representation in federal criminal defense across Massachusetts. Our attorneys are known for their experience in high-stakes federal matters, including healthcare fraud, securities violations, wire fraud, tax evasion, and public corruption investigations. From Boston’s Financial District to medical institutions in Worcester and research hubs in Cambridge, our Massachusetts federal defense team protects business leaders, professionals, and healthcare providers accused of serious federal offenses.
Agencies such as the FBI, IRS-CI, and the U.S. Department of Health and Human Services Office of Inspector General (HHS-OIG) conduct extensive investigations before making contact. By the time you receive a subpoena or federal inquiry, the government’s evidence may already be substantial. Engaging with investigators without experienced federal counsel can severely compromise your defense.
Lowther | Walker’s attorneys understand how federal prosecutors build their cases and how to dismantle them.
Request a confidential consultation with our Massachusetts federal criminal defense lawyers at Lowther | Walker — available 24/7.
No-obligation. Fully confidential.
Call Us Today: (404) 496-4052
Federal criminal cases follow a process that is very different from state prosecutions. Understanding each step helps you make informed decisions and work closely with your defense team.
Federal investigations in Massachusetts often begin long before charges appear. Agencies like the FBI, DEA, IRS, and HHS-OIG gather evidence using surveillance, wiretaps, interviews, financial audits, and court-approved searches. Individuals frequently first learn they are under investigation when agents arrive at their home, office, or business. These investigations are thorough and designed to identify potential violations across the state.
Once prosecutors believe they have enough evidence, they proceed through either a criminal complaint or a grand jury indictment. A grand jury meets in secret, reviews the prosecutor’s evidence, and determines whether charges should move forward. You do not attend this process. In complaint cases, a federal magistrate judge evaluates whether probable cause exists before the case continues. Prosecutors must present the matter to a grand jury within 30 days if proceeding from a complaint.
After charges are filed, you appear in federal court for an arraignment. The judge explains the accusations, asks for your plea, and sets conditions for pretrial release. Judges consider whether you are a flight risk or a danger to the community. Strong advocacy from your attorney at this stage can influence whether you remain free or in custody during the case.
In complaint cases, a preliminary hearing lets the court evaluate whether sufficient evidence exists to continue prosecution. Your attorney can cross-examine witnesses, challenge evidence, and argue that the government’s case lacks a strong foundation. This early stage offers a critical opportunity to test the prosecution’s theory.
During discovery, your attorney receives all evidence the government intends to use, including witness statements, police reports, lab results, financial records, and physical evidence. This allows your defense team to examine weaknesses, prepare challenges, and develop effective counterarguments.
Many federal cases resolve without going to trial. Your attorney reviews the evidence and evaluates whether a plea agreement or negotiated settlement serves your interests. These agreements may include reducing charges, recommending lighter sentences, or dismissing certain allegations. You retain full control over whether to accept any proposed resolution.
Defense attorneys can file pretrial motions to contest legal aspects of the case. These motions may seek to suppress improperly obtained evidence, dismiss charges lacking legal basis, or compel prosecutors to provide additional discovery. Successful pretrial motions can significantly alter the outcome or scope of a case.
Federal trials in Massachusetts involve jury selection, opening statements, witness testimony, cross-examination, and closing arguments. A 12-member jury evaluates whether the government has proven guilt beyond a reasonable doubt. The judge rules on legal issues and objections throughout the trial. If the jury returns a guilty verdict, a later sentencing hearing determines the appropriate penalties under federal guidelines and statutory requirements.
A conviction does not end your options. You can appeal to the First Circuit Court of Appeals to review potential legal errors that affected your case. Appeals often focus on improper evidence rulings, incorrect jury instructions, prosecutorial misconduct, or constitutional violations. A three-judge panel reviews the case record and briefs to decide whether to uphold, reverse, or remand the decision.
Known as one of the foremost healthcare fraud defense firms across the U.S., clients turn to Lowther | Walker for billing fraud defense, Stark Law defense, violations of Anti-Kickback laws and other forms of Medicare and Medicaid fraud. We work with Massachusetts doctors, nurses, dentists, and healthcare practice operators who require urgent guidance in federal fraud investigations.
Lowther | Walker understands that most financial crime allegations in Massachusetts arise from complex business judgments, and not criminal intent. Our firm has represented entrepreneurs, executives, and professionals across the Commonwealth who never expected to face federal scrutiny.
Whether you are accused of wire fraud, PPP loan misuse, business loan irregularities, fund mismanagement, or financial fraud violations, we know how to dismantle the government’s narrative. With decades of experience negotiating with federal prosecutors and investigative agencies, our attorneys excel at reframing legitimate business decisions that have been mischaracterized as fraud. We work to expose exaggerations in the government’s case, safeguard your rights, and protect you from high-pressure tactics aimed at forcing premature guilty pleas.
Massachusetts’ position along the I-95 corridor and its access to major ports, airports, and interstate routes have made it a central focus for federal drug enforcement operations. DEA task forces, often in partnership with the U.S. Attorney’s Office, Homeland Security Investigations (HSI), and Massachusetts State Police, have ramped up efforts to dismantle alleged drug distribution networks that move controlled substances through Boston, Worcester, Springfield, Lowell, and smaller communities across the Commonwealth.
Federal prosecutors are aggressively pursuing cases involving opioids, fentanyl, cocaine, methamphetamine, and prescription drug diversion, often bringing conspiracy and trafficking charges that carry mandatory minimum sentences. Investigations frequently include wiretaps, GPS tracking, financial audits, and undercover operations, and defendants may face charges not only for possession or distribution but also for money laundering, firearm possession in furtherance of drug crimes, or continuing criminal enterprise allegations.
Lowther | Walker provides 24/7 legal support for individuals and professionals accused of federal drug offenses in Massachusetts
Massachusetts’ strong financial, healthcare, and technology sectors have also made it a primary target for federal white collar crime enforcement. The U.S. Attorney’s Office in Boston, alongside agencies such as the FBI, IRS Criminal Investigation, SEC, and HHS-OIG, actively investigates complex financial and corporate cases involving tax fraud, bribery, insider trading, embezzlement, and public corruption. These investigations often span months or years, involving extensive document subpoenas, digital forensics, and financial tracing across multiple jurisdictions.
Federal prosecutors in Massachusetts pursue white collar cases under statutes covering wire fraud, mail fraud, money laundering, healthcare fraud, and bank fraud, frequently stacking charges to increase exposure to severe penalties and restitution demands. Professionals in industries such as finance, medicine, real estate, and government contracting often find themselves under investigation without warning, sometimes after routine audits or whistleblower reports trigger a federal probe.
Lowther | Walker provides strategic, round-the-clock representation for individuals and organizations facing federal white collar crime allegations in Massachusetts
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Lowther | Walker offers Massachusetts clients the advantage of Murdoch Walker’s extensive experience investigating federal crimes as a DEA task force leader. His years inside the federal prosecution system give our team insight that most defense attorneys cannot match.
We understand how federal agents in Massachusetts structure interviews, which financial or operational transactions trigger scrutiny, and what evidence prosecutors view as most critical in building a case. This insider perspective allows us to identify weaknesses in the government’s theory before charges are filed, challenge evidence collected in violation of your constitutional rights, and develop defense strategies that directly counter the narrative federal prosecutors intend to present in court.
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At Lowther | Walker, we handle some of the most serious federal cases in Massachusetts. For example, we successfully defended a client in a $1.4 billion healthcare fraud case, one of the largest ever prosecuted by the Department of Justice (see details).
In another case, a client facing charges for submitting over $7 million in alleged false Medicare claims resolved the matter with a plea to a lesser misdemeanor and probation instead of prison (see details).
These results reflect how we combine deep federal law knowledge, insight into how prosecutors operate, and aggressive advocacy to protect our clients’ freedom and assets. You can see more of our results here.
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Our work defending clients across Massachusetts has made us one of the state’s most trusted federal defense teams. We represent individuals and businesses in the U.S. District Court for the District of Massachusetts, with courthouses in Boston, Worcester, and Springfield. Whether your case involves federal investigations, indictments, or trial proceedings, our attorneys are available 24/7 to answer your questions and guide you through every stage of your defense, ensuring you are fully prepared for the prosecution’s next move.
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At Lowther | Walker, our free consultation gives you an immediate opportunity to speak with an experienced federal defense attorney about your case. During this session, we review the charges you face, explain your rights, and outline the potential risks and next steps.
We also assess the evidence and provide guidance on how to respond to investigators without jeopardizing your defense. By the end of the consultation, you will have a clear understanding of your legal options and a plan for moving forward. Our team is available 24/7 to schedule consultations and respond to urgent federal case concerns.
If federal investigators are pressing you with questions or your case is putting stress on your family or business, contact our experienced federal defense team immediately. We are available around the clock, ready to provide guidance, protect your rights, and respond strategically to prosecutors and federal agents.
Call our federal attorneys at (404) 496-4052 and begin your defense backed by the nation’s leaders in federal crimes defense.
No-obligation. Fully confidential.
Call Us Today: (404) 496-4052
Federal cases usually begin with an investigation that may last months or years. Once the government believes it has enough evidence, charges are filed either through a criminal complaint or a grand jury indictment.
A grand jury is a group of citizens that reviews the government’s evidence in secret. They decide whether there is probable cause to formally charge someone. You do not attend these proceedings, but your attorney can advise on potential outcomes.
At the arraignment, you appear before a federal magistrate judge, hear the charges, enter a plea, and have bond or pretrial release conditions set. Your attorney advocates for reasonable release terms and explains the legal implications of each plea option.
The timeline varies by case complexity. Investigations can last months or years, pretrial proceedings may take weeks to months, and trials can extend for several weeks. Plea negotiations may shorten the timeline, while appeals extend it further.
A target letter indicates you are a focus of the investigation, while a subpoena requires you to provide documents or appear for testimony. Both can carry legal consequences, and a lawyer can help determine the best response strategy.
Rule 16 of the Federal Rules of Criminal Procedure requires prosecutors to disclose evidence they plan to use at trial. Your attorney uses this to obtain witness statements, expert reports, and other materials critical for building a defense.
Yes. A single investigation can result in multiple overlapping charges, such as drug distribution with money laundering, or healthcare fraud with wire fraud. Federal prosecutors often pursue the combination that carries the highest potential penalties.
Federal authorities can seize property, bank accounts, and other assets tied to alleged criminal activity, even before a conviction. Experienced defense counsel challenges improper seizures and negotiates to preserve legitimate business and personal property.
