PITTSBURGH, Pa. – Dennis W. McNamara, a 74-year-old former lawyer from Columbus, Ohio, walked away with a slap on the wrist this week, receiving two years of probation and a $15,000 fine after being convicted of lying to federal investigators. The sentencing, handed down by Chief United States District Judge Sarah D. Morrison on August 21, 2025, barely reflects the gravity of his betrayal of both his client and the justice system.
McNamara, while representing a cooperating witness in a major Columbus drug and sex trafficking investigation, engaged in a reckless act that directly endangered the witness’s life. Simultaneously involved in a sexual relationship with a female sex worker, McNamara foolishly disclosed details about his client’s cooperation to this individual – information that could easily have reached the criminal organization and resulted in serious harm or even death.
When confronted by the FBI, McNamara didn’t just remain silent; he actively lied. He denied ever revealing the confidential information, attempting to cover up his blatant ethical and legal violations. This wasn’t a simple oversight; it was a deliberate attempt to obstruct justice and protect himself, at the expense of someone who was bravely assisting law enforcement.
Judge Morrison, while imposing the relatively lenient sentence, made it clear she understood the seriousness of the offense. However, the outcome sends a troubling message: that even betraying a cooperating witness and lying to federal agents may not warrant significant punishment. The Southern District of Ohio recused itself from the case, handing prosecution duties over to the United States Attorney’s Office for the Western District of Pennsylvania, likely due to local conflicts of interest.
Assistant United States Attorney Mark V. Gurzo led the prosecution, and Acting United States Attorney Troy Rivetti praised the collaborative efforts of the FBI’s Southern Ohio Public Corruption Task Force – encompassing agents from the FBI, Ohio Attorney General’s Bureau of Criminal Investigation, and Columbus Division of Police – alongside the Central Ohio Human Trafficking Task Force. Their work brought McNamara to justice, even if the sentence feels inadequate.
The case highlights the inherent risks involved in utilizing cooperating witnesses and the crucial need for attorneys to maintain strict confidentiality. While McNamara avoided prison, his legal career is undoubtedly over, and his actions serve as a stark warning to others: betraying a client’s trust and lying to the FBI carries consequences, even if those consequences aren’t as severe as they should be.
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Key Facts
- State: Pennsylvania
- Agency: DOJ USAO
- Category: Public Corruption|Drug Trafficking|Sex Crimes|White Collar Crime
- Source: Official Source ↗
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