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Bureau of Investigation

Bureau of Investigation Chief Dominick Rivetti

Chief Dominick Rivetti

Staffed by over 260 investigators with full peace officer status, the Bureau of Investigation is the fourth largest law enforcement agency in Los Angeles County. Investigators in the Bureau conduct some of the most unique, sensitive, and complex criminal investigations in law enforcement today. D.A. Investigators are involved in a variety of operations, from high-profile raids in political corruption cases to probes in immigration fraud.

The primary function of D.A. investigators is to provide prosecution support to the District Attorney’s legal staff. By locating and processing prosecution witnesses and conducting supplemental pretrial investigations, investigators strengthen cases for prosecution.

Bureau of Investigation BadgeInvestigators are assigned to each District Attorney branch location in the County and to a variety of special units. Special units personnel work directly with deputy district attorneys in the office’s specialized programs to combat gangs, public corruption, organized crime, family violence, stalking, hate crimes, consumer fraud, and other high impact crimes.

Assisting other law enforcement agencies, when requested, is also an important function of the Bureau of Investigation. Assistance with vehicular and electronic surveillance and photographic services are available to other agencies.


Bureau of Investigation
Los Angeles County District Attorney's Office
210 West Temple Street, Rm. 17-1102
Los Angeles, CA. 90012
Phone: (213) 974-3612


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Site updated: 04 Dec 2012
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