1. Welcome

    Welcome to the official website of the Maricopa County Attorney’s Office (MCAO), serving nearly four million residents in Maricopa County, the fourth largest county in the United States.

    Our office is responsible for the prosecution of more than 35,000 felony criminal cases each year. Our top priorities are to hold criminals accountable for the crimes they commit, and to ensure that the rights of crime victims are honored and respected throughout the criminal justice process.

April 2019

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  1. Sat Apr. 27

    Pat’s Run

  1. Thu May 16

    MCAO Citizens Academy
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  1. County Attorney Bill Montgomery Responds to Letter from YWCA Southern Arizona

    In a April 16, 2019 letter County Attorney Bill Montgomery responds to the "open letter" sent April 12, 2019 from Mari Herreras of the YWCA Southern Arizona. Read more...

  2. Data Shows MCAO Helps Reduce Prison Population and Increase Public Safety

    Due to recent characterizations of the use of prison in resolving cases from Maricopa County, this office looked to the objective case disposition data from the Administrative Office of the Courts to provide a clearer picture of this topic. Read more...

  3. Insufficient Evidence to Prosecute Cases Related to Children’s Shelter

    The Maricopa County Attorney’s Office has completed a review of three cases submitted by the Maricopa County Sheriff’s Office involving the treatment of children at a Southwest Key shelter. Read more...
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