Irvine Federal Criminal Defense Lawyers - Oberheiden, P.C.
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Irvine Federal Criminal Defense Lawyer (FBI, OIG, IRS, DEA)

Dr. Nick Oberheiden
Attorney Nick Oberheiden
Irvine Federal Criminal Defense
Team Lead envelope icon Contact Nick
Irvine address – by appointment only:
2030 Main Street Suite 1300
Irvine, CA 92614

Federal law enforcement is currently cracking down on white-collar crime in Irvine and all across Orange County, CA.

Authorities are targeting individuals and businesses across the state of California for intensive criminal investigations. There is a focus on white-collar crime, which means successful businesses, business owners, and hardworking professionals in Irvine have become targets.

The government also encourages whistle-blowers who have a financial reason, to accuse former bosses, coworkers, or business partners of a crime. We are seeing federal criminal cases grow out of seemingly minor situations, harmless errors, and unintentional mistakes.

Whatever the accusations might be, if you are currently under suspicion, federal investigation, or arrest for a federal crime, you need to take immediate action to protect your freedom and career.

Oberheiden, P.C.‘s Irvine federal criminal defense lawyers can help. We are a criminal defense law firm with a national presence. We represent individuals and businesses in Irvine in a wide range of criminal matters.

Our team has extensive experience handling investigations and/or allegations stemming from the:

  • Federal Bureau of Investigation (FBI)
  • Department of Health and Human Services’ Office of Inspector General (HHS – OIG)
  • Internal Revenue Service (IRS)
  • United States Postal Inspection Service (USPIS)
  • Drug Enforcement Administration (DEA)
  • Virtually every other federal law enforcement agency.

Our federal criminal defense attorneys have more than 100 years of combined experience in federal criminal matters. And because several of them worked as federal prosecutors, we have valuable insight into the feds’ strategy, playbook, and approach.

We are a law firm that offers serious, experienced, aggressive, and strategic legal defense. Our attorneys cover routine investigations and negotiations, as well as, “can’t-afford-to-lose” trials in federal courts.

Irvine Federal Criminal Defense Lawyer (FBI, OIG, IRS, DEA)

Are You Being Targeted by the FBI, OIG, IRS, or DEA in Irvine?

If so, these are the highest stakes you will face in your life. It’s critical that you know the potential consequences:

  • Imprisonment,
  • A criminal record,
  • Crippling fines that are all but impossible to pay,
  • The ruined reputation,
  • The loss of your professional licenses,
  • The end of your career, and so on, are in the offing.

These aren’t scare tactics, they are reality. The federal government is quite aggressive and will stop at nothing to add another conviction to its tally sheet. Our experienced federal criminal defense attorney sees it again and again.

For companies, a single criminal case can mean the end of your business. It is often impossible for businesses to bounce back from the financial penalties or the impaired public perception a criminal case brings.

It is equally critical that you grasp just how important a strong legal defense can be. Avoid hiring a law office with an experienced criminal defense attorney who does not specialize in federal defense. Hiring the right federal criminal defense law firm can make all the difference. Everything you say and do from this point on can radically affect your future. That includes the choice you make about legal counsel. It begins the moment you make a mistake or learn you are under suspicion.

At Oberheiden, P.C., our proven Irvine federal criminal defense attorney can lead you through the complexities of federal investigations. An experienced attorney can also protect you in communications with federal agents and prosecutors. Don’t wait for the filing of federal criminal charges or for the situation to get worse. Call us now.

  • We Fight to Avoid Charges in Every Investigation. No matter how scary your situation seems, if you haven’t yet been charged with a crime, there’s still a chance for you to avoid prosecution. While we can’t make guarantees in advance, we are proud of our record. Our highly experienced Irvine federal criminal defense lawyers have resolved the majority of our clients’ cases without charges ever being filed. Make no mistake, avoiding charges is the very best outcome possible. It is always our primary goal. It is always our primary goal.
  • We Rely on Extensive Federal Experience to Execute Strong Defense Strategies. Criminal defense is all about insight and strategy. Our law firm offers the benefit of insight from both sides of FBI, OIG, IRS, and DEA investigations. We use those insights to inform our defense strategies. In other words, we put our experience to use for our clients’ benefit. Our experience has been refined over the course of working both for and against the feds.
  • We Focus on the Unique Aspects of Each Individual Case. Every case is different, and every situation presents its own path toward resolution. Through experience, we have come to understand the right questions to ask, the right information to gather, and the right way to develop a defense strategy geared toward success.
  • We Help Our Clients Make Confident and Informed Decisions. Facing a criminal case is extremely stressful. First and foremost, our clients want to make the situation go away. But they also want someone who can answer their questions and tell them how to react. Should you answer federal agents’ questions? What happens if you miss a deadline for a civil investigative demand (CID) or administrative subpoena? What should you do if you are aware of evidence that could be used against you? These aren’t questions you can’t ask just anyone. Our trusted Irvine federal criminal defense lawyers are here with confidence and confidential guidance at every step.
  • We Never Give In. We believe in taking an aggressive approach to defending our clients. From the moment we get involved, we keep working. We don’t stop until we’ve done everything possible to end the investigation and make the federal charges go away.

Put our highly experienced team on your side

Dr. Nick Oberheiden
Dr. Nick Oberheiden



Lynette S. Byrd
Lynette S. Byrd

Former DOJ Trial Attorney


Brian J. Kuester
Brian J. Kuester

Former U.S. Attorney

Amanda Marshall
Amanda Marshall

Former U.S. Attorney

Local Counsel

Joe Brown
Joe Brown

Former U.S. Attorney

Local Counsel

John W. Sellers
John W. Sellers

Former Senior DOJ Trial Attorney

Linda Julin McNamara
Linda Julin McNamara

Federal Appeals Attorney

Aaron L. Wiley
Aaron L. Wiley

Former DOJ attorney

Local Counsel

Roger Bach
Roger Bach

Former Special Agent (DOJ)

Chris Quick
Chris J. Quick

Former Special Agent (FBI & IRS-CI)

Michael S. Koslow
Michael S. Koslow

Former Supervisory Special Agent (DOD-OIG)

Ray Yuen
Ray Yuen

Former Supervisory Special Agent (FBI)

Federal Defense Lawyers for All Criminal Matters in Irvine

There is no federal criminal case we can’t handle. Much of our practice is devoted to common white-collar criminal cases, which typically target:

  • Doctors,
  • Corporate officers,
  • Corporations themselves,
  • Public officials, and
  • Licensed professionals.

The truth is that the government will arrest anyone it can, using any statute available. The feds are zealous and resourceful. The public needs a defense team that can level the playing field. That’s what our skilled Irvine federal criminal defense attorneys are here for.

Our experience at Oberheiden, P.C., extends to a wide range of investigations and criminal issues, including:

  • Anti-Kickback Statute violations
  • Bank fraud
  • Conspiracy and Attempt
  • Controlled Substances Act (CSA) violations
  • Counterfeiting
  • Embezzlement
  • Federal drug charges
  • Healthcare fraud (including Medicare, Medicaid, TRICARE, etc.)
  • Insurance fraud
  • Internet & computer crimes
  • Mail fraud
  • Money laundering
  • Public Corruption and Bribery
  • Securities and Exchange Act crimes / Securities fraud
  • Sex crimes
  • Tax violations
  • Theft
  • Title 18 of the U.S. Code issues
  • Violent crimes
  • White-collar crimes / financial crimes
  • Wire fraud

Why Am I Being Investigated by the…

…Federal Bureau of Investigation (FBI)?

The FBI is the primary agency responsible for enforcing federal laws in the United States. Specifically, the FBI is tasked with investigating:

  • Terrorism,
  • Computer crimes,
  • Internet crimes,
  • Organized crime,
  • Public corruption, and
  • Drug crimes.

The FBI also works directly with other state and federal agencies. That means it may also be involved with investigating a wide range of other federal crimes. Learn more about the FBI’s investigative mission.

…Office of Inspector General (OIG)?

The official mission of the OIG is “to protect the integrity of Department of Health & Human Services (HHS) programs as well as the health and welfare of program beneficiaries.” The OIG exists as a subset of HHS. In terms of criminal law, the HHS – OIG is primarily interested in investigating healthcare providers suspected of Medicare, Medicaid, Tricare, and Department of Labor (DOL) fraud.

…Internal Revenue Service (IRS)?

While most people think of the IRS as an agency principally interested in collecting money, the agency also has a substantial criminal enforcement division. Primarily, the IRS polices individuals and businesses suspected of underreporting income, underpaying taxes, or otherwise violating the Internal Revenue Code (IRC). But, the IRS also helps the FBI and other federal agencies in cases of money laundering, securities fraud, Medicare fraud, and other financial crimes.

…Drug Enforcement Administration (DEA)?

The DEA plays both a regulatory role and a law enforcement role. As a law enforcement agency, the DEA is responsible for investigating drug-related offenses at the federal level. Most people associate the DEA with illegal street drugs, but the agency also polices prescription drugs. In fact, one of the DEA’s top priorities is diversion control These actions are in place to thwart the unlawful distribution of opioids and prescription painkillers.

Q&A with an Irvine Federal Criminal Defense Attorney

Q: Am I really guilty of a federal crime?

A: Never assume that you’re guilty, even if you believe you committed an illegal act. Criminal law is more complex than you may realize. Criminal statutes typically require multiple elements of proof. To convict you, the government must have proof beyond a reasonable doubt of each element. If our Irvine federal criminal defense attorneys can challenge even one element beyond a reasonable doubt, you are not guilty. Too many people panick and assumed that because they feel guilty, they are guilty. Don’t let your emotions mislead you. The fact that you are still under investigation means the federal government has not yet collected enough evidence to file charges. You still have several opportunities to defend yourself.

Q: Why are federal agents targeting Irvine?

A: The truth is the federal government has ramped up its enforcement efforts nationwide, with a particular focus on white-collar crime. But agents turn much of their attention to areas like Irvine in Southern California. These areas are close to a very large metropolis and are a hotbed of corporate activity. Hundreds of companies are headquartered in Irvine, including dozens of large corporations. This draws federal attention to the area and also means whistleblowers are more common. Nearby Los Angeles is one of just nine cities in the country to have a designated Medicare Fraud Strike Force. This means all of Orange County (including Irvine) is under intensified scrutiny when it comes to healthcare fraud.

Q: Does the federal government negotiate plea bargains?

A: Absolutely, it happens all the time. But whether a plea bargain is the best strategy in your case depends on the details of your situation. As Irvine federal criminal defense attorneys, our first priority is always to prevent charges from being filed. But if that isn’t possible, or if you have already been charged with a federal crime, we will explore other options. One of which may include negotiating a plea bargain. However, our defense team has convinced prosecutors to drop charges in many cases even after a grand jury indictment in federal court. So, you should not conclude that a plea bargain is your only option.

Q: Can your firm represent me in Irvine, CA?

A: Yes. We maintain a national presence and our attorneys are able to represent clients nationwide. We have represented clients in 21 states and counting, including California. We can conduct your complimentary case assessment by phone or video conference. Plus, our attorneys can travel to Irvine at a moment’s notice.

Speak with an Irvine Federal Criminal Defense Lawyer about Your FBI, OIG, IRS, or DEA Investigation

Oberheiden, P.C.’s federal defense team has significant experience in high-stakes federal investigations. If your business, practice, or reputation is at risk, our Irvine federal criminal defense lawyers can use their experience on both sides of FBI, OIG, IRS, and DEA investigations to build a custom defense plan. Our one and only goal is to protect you. That means keeping you in business, out of prison, and away from the financial disaster that a federal criminal fine could bring.

For more information and legal advice about the specifics of your federal investigation, please set up a free and confidential case assessment with our office, right away. Simply call our Irvine federal criminal defense attorneys at 888-680-1745 or tell us how we can help online now.

Additional Pages for Irvine, California

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