The IRS Criminal Investigation (CI) division has released its annual list of the top 10 criminal cases for the year 2023, highlighting a significant focus on cryptocurrency-related crimes. The list, which was announced on the IRS website and IRS CI’s social media platforms, includes a variety of financial crimes ranging from international tax fraud to massive Covid-19 relief scams. CI Chief Jim Lee underscored the range and complexity of this year’s cases, emphasizing the billions of dollars involved and the global impact of these crimes. “From international tax schemes to multi-level marketing involving cryptocurrency, our investigators have skillfully unraveled some of the most intricate financial frauds,” said Lee.