IRS Criminal Investigation is a division of the Internal Revenue Service that focuses on investigating potential criminal violations of the tax code. Their primary goal is to ensure compliance with tax laws and to deter tax-related crimes such as fraud, money laundering, and tax evasion. Agents in this division are trained to gather evidence, conduct interviews, and analyze financial records. They work closely with other law enforcement agencies to prosecute individuals and organizations that violate tax laws, ensuring that justice is served and the integrity of the tax system is maintained.