Lou provides strategic counsel on high-stakes matters, focusing on complex and large-scale white collar litigation, investigations, and government enforcement (including environmental advertising and marketing claims such as greenwashing and carbon credit fraud). Clients benefit from his experience leading criminal investigations across the country as a former Assistant United States Attorney in the District of Columbia and Trial Attorney at the Fraud Section at the U.S. Department of Justice (DOJ). He understands the government from the inside out, including the motivations and strategies of federal prosecutors. Lou stands ready to deliver the highest quality results for entities and individuals facing the government.

Highlights of Lou’s experience and expertise at Beveridge & Diamond include:

• Representing a corporation and individuals in a criminal investigation led by the Health Care Fraud Section within DOJ (Main Justice).
• Representing a municipality under criminal investigation by a United States Attorney’s Office for environmental claims related to asbestos remediation.
• Representing a corporation under criminal investigation by a United States Attorney’s Office for allegations related to Resource Conservation and Recovery Act, Clean Water Act, and Clean Air Act violations.
• Conducting an internal investigation for a corporation into employee allegations of alleged false statements submitted to EPA.
• Representing a corporation in a potential Occupational Health and Safety Administration (OSHA) investigation concerning the handling of highly hazardous chemicals.

Highlights of Lou’s experience and expertise at DOJ include:

• Indicting, trying, and convicting 25 Oath Keepers for sedition and other crimes related to their efforts to thwart the peaceful transfer of power following the 2020 presidential election. Lou was chosen as one of five prosecutors across DOJ to lead the effort and focused on investigating the militia’s “Quick Reaction Force,” composed of individuals who amassed weapons and explosives for use at the U.S. Capitol on January 6, 2021.
• Serving as lead prosecutor on the largest COVID-19 pandemic fraud conspiracy investigation in the country. Lou convicted 15 individuals on wire fraud, bank fraud, false statements, and money laundering offenses stemming from more than $75 million in fraud loss. In addition to executing dozens of search warrants across multiple states, Lou coordinated with foreign governments and banks to seize assets.
• Investigating the country’s largest carbon credit offset case, which included allegations of accounting fraud relating to a public offering and wire fraud relating to the double counting of carbon offsets and mismarking of carbon offsets to defraud institutional investors and numerous high-profile individuals.
• Convicting an individual for manufacturing counterfeit parts impacting national security and causing a multimillion-dollar loss to the United States military. Lou coordinated with Army and Navy officials to locate and dispose of counterfeit parts located around the world and in use during active-duty military operations.
• Indicting, trying, and convicting six doctors for illegal opioid prescribing and health care fraud across multiple states as part of the largest nationwide takedown of health care professionals. Lou’s prosecutions involved extensive direct and cross-examination of experts, in depth analysis of medical files, and locating former patients to testify at trial.
• Trying over 30 cases, including homicide, sexual assault, child abuse, obstruction of justice, conspiracy, violent crime, gun possession, and drug distribution offenses. Lou has prepared and presented hundreds of witnesses before grand and petit juries, including children, cooperators, law enforcement, and expert witnesses in medicine, cell site analysis, forensic collection and analysis of metadata, fingerprints, and DNA. He has authored extensive pre-trial motions, post-trial motions, and appellate briefs on Fourth Amendment, Fifth Amendment, and evidentiary rules.
• Completing nearly one hundred proffers and preparing numerous reverse proffers. Lou has developed close relationships with Assistant United States Attorneys across the United States and the white-collar defense bar.

As a former federal prosecutor, Lou has worked with dozens of federal law enforcement agencies and maintains close relationships with the Federal Bureau of Investigation, the Internal Revenue Service, the Drug Enforcement Agency, and the Department of Homeland Security, as well as the inspectors general within the Department of the Treasury, Health and Human Services, United States Postal Service, Federal Housing Finance Agency, Small Business Administration, and all branches of the military. He can quickly identify weaknesses in government investigations, advocate to key decision-makers within the government, and advise clients on the best course of action.

Lou regularly speaks with major news outlets, including CNN and Bloomberg Law on high-stakes criminal trials.