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Santa Ana Branch Office

The United States Attorney’s Office has a branch office located in the Ronald Reagan Federal Building and United States Courthouse in Santa Ana. Currently staffed by 21 Criminal Division Assistant United States Attorneys (AUSAs), the Santa Ana branch office investigates and prosecutes federal crimes occurring in Orange County. With over 3 million residents, Orange County is the third largest county in the state of California.

The AUSAs in Santa Ana prosecute a wide variety of criminal matters. A large part of the branch office’s cases involve economic crimes such as mail and wire fraud, health care fraud, bank and mortgage fraud, securities fraud, investment fraud, money laundering, identity theft, tax evasion, and copyright infringement. Defendants in other recent prosecutions brought by the branch office have been charged with public corruption, racketeering and organized crime offenses, narcotics trafficking, interstate transportation of minors, production and possession of child pornography, illegal possession of and trafficking in firearms, counterfeiting, postal offenses, and bank robberies. Santa Ana AUSAs also pursue cases involving illegal export of products and data, economic espionage, theft of trade secrets, Foreign Corrupt Practices Act violations, terrorism, alien smuggling, and immigration-related fraud.

Santa Ana AUSAs investigate and prosecute cases in coordination with agents from a variety of federal agencies, most of which have field offices in Orange County. The office also works with state and local law enforcement agencies, as well as with interagency groups such as the Joint Terrorism Task Force, Santa Ana Gang Task Force, and Southern California Regional Sexual Assault and Exploitation Felony Enforcement Team.

Dennise Willett, Assistant United States Attorney
Chief, Santa Ana Branch Office

The United States Attorney's Office
Central District of California
Santa Ana Branch Office
Suite 8000
411 West Fourth Street
Santa Ana, California 92701
(714) 338-3500
(855) 898-3957 (Toll Free)

Updated June 23, 2015