Shawn P. Napier

Attorney Shawn P. Napier is the Managing Partner of the O'Brien Hatfield, PA. Mr. Napier brings nearly twenty-five years of high-stakes federal and state prosecution experience to his federal and state criminal defense practice. As former Assistant United States Attorney in Florida and Senior Assistant Attorney General in Ohio, Mr. Napier utilizes his deep insider knowledge of federal and state prosecution tactics to provide an aggressive and formidable defense for those individuals and corporations accused of and facing state and federal criminal charges. He understands the mechanics of federal grand juries and multi-agency investigations and prosecutions. As both a federal and state prosecutor, Mr. Napier gained unparalleled experience in the very systems he now challenges for his clients each day. Mr. Napier is the elite choice for individuals, executives, and corporations when the stakes are the highest and prosecutors are at their most aggressive.

Mr. Napier is currently licensed to practice law in the State of Florida and the State of Ohio. He is permitted to practice law in every federal criminal district court and in every federal appellate court in the United States. He is a member of the Supreme Court of the United States of America.

Mr. Napier is a distinguished former federal and state prosecutor, with over 25 years of experience spanning complex criminal investigations, motion and trial litigation, and appellate advocacy. His criminal defense strategies are informed by years of directing prosecutions involving federal law enforcement agencies like the FBI, DEA, ATF, HSI, USSS, and IRS CID. This background allows Mr. Napier to identify weaknesses in investigations, challenge search warrants, and navigate the complexities of the United States Sentencing Guidelines to seek the most favorable outcomes for his clients. Mr. Napier has turned his deep-seated knowledge of federal and state criminal prosecution tactics into a powerful shield for the accused. Mr. Napier does not just understand the government’s playbook. He helped write it.

Throughout his tenure as a prosecutor with the United States Department of Justice, Mr. Napier demonstrated versatile expertise across multiple areas of federal criminal law:

• Mr. Napier has investigated and prosecuted a wide array of federal crimes, including drug trafficking, money laundering, healthcare fraud, sex and child pornography offenses, gun offenses, and violent offenses. He has successfully taken nearly twenty-five cases to trial, involving high stakes matters, including but not limited to, threats against the President of the United States of America, online child enticement cases, money laundering cases, drug conspiracy cases, firearms offenses cases, and complex white-collar crime cases.
• From 2019 to 2022, Mr. Napier led the Joint Terrorism Task Force (JTTF), overseeing federal criminal investigations into terrorist activities and international sanctions violations.
• Mr. Napier has extensive experience in affirmative civil enforcement, leading investigations under the False Claims Act (FCA) and defending the United States of America in monetary damage claims.

Prior to his federal prosecution service as an Assistant United States Attorney, Mr. Napier served as a Senior Assistant Attorney General for the Criminal Division of the Ohio Attorney General’s Office. In 2010, he was granted the Award by his superiors for Exemplary Service in criminal healthcare prosecutions.

• As a Senior Assistant Attorney General, Shawn prosecuted healthcare fraud and Medicaid violations and served as a Special Assistant United States Attorney, handling federal cases against healthcare organizations, doctors, and other medical providers.

Mr. Napier earned his Juris Doctor, Magna Cum Laude, from Capital University Law School in 2001, where he ranked in the top fifteen percent in his graduating class and served as the Managing Editor of the Capital University Law Review. Following law school, Shawn honed his legal analysis skills during a judicial clerkship for the Honorable William H. Harsha at the Fourth District Court of Appeals in Ohio. Shawn holds a Bachelor of Arts in Political Science from the University of Central Florida.

Mr. Napier has full access to O'Brien Hatfield, PA defense team described above.