As a federal prosecutor and member of SDNY’s Securities and Commodities Fraud Task Force, Mr. LaVigne prosecuted a wide array of securities fraud offenses. Among other cases, Mr. LaVigne served as lead trial counsel in the high-profile insider trading trial of United States v. Doug Whitman, in which the founder of the Whitman Capital hedge fund was convicted of all insider trading counts after a multi-week trial. Mr. LaVigne also investigated and prosecuted numerous other insider trading offenses at hedge funds and those involving expert network firms, including the successful prosecution of John Kinnucan, the president of Broadband Research LLC. In addition, Mr. LaVigne prosecuted cases involving investment adviser fraud, hedge fund overvaluation schemes, and broker-dealer markup schemes. Mr. LaVigne’s work in the Securities and Commodities Fraud Task Force involved coordinating parallel proceedings with attorneys at the Securities and Exchange Commission.
Mr. LaVigne also worked in SDNY’s Terrorism and International Narcotics Unit, where he served as lead counsel in several of the Office’s highest profile international criminal prosecutions. Among other matters, Mr. LaVigne was trial counsel in the well-publicized trial of an MIT-educated neuroscientist who was convicted of attempted murder of FBI agents and US Army officers in Afghanistan, and all other related counts after trial. Mr. LaVigne also served as lead trial counsel in the successful prosecution of two individuals who were convicted after trial of conspiring to use an African country as their transshipment point for large amounts of narcotics into the United States. Mr. LaVigne’s other noteworthy cases include the successful prosecution of individuals for conspiring to export carbon fiber (which may be used for uranium enrichment) from the United States to Iran and China, in violation of OFAC and other regulations. In addition, Mr. LaVigne prosecuted several cases involving foreign terrorist organizations such as al Qaeda and al Shabaab; export and money laundering offenses relating to Iran and other embargoed countries and entities; and cases involving foreign corruption.
A seasoned trial lawyer, Mr. LaVigne has conducted multi-week, complex trials involving securities fraud, terrorism, international narcotics trafficking/foreign corruption, and document fraud. Mr. LaVigne has also argued numerous cases before the United States Court of Appeals for the Second Circuit.
In addition to his Government service with the Department of Justice, Mr. LaVigne clerked for the Honorable Kevin Thomas Duffy, United States District Judge for the Southern District of New York, and worked as an associate at the New York law firm Simpson Thacher & Bartlett where he focused on white collar criminal defense and securities litigation.