A staffer for California Attorney General and U.S. Senate candidate Kamala Harris (D) has been arrested and accused of participating in a mysterious group that impersonates a police force.

The staffer, Brandon Kiel, is alleged to have been involved in the Masonic Fraternal Police Department, the Los Angeles Times reported.

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The group’s website says it “provides services to Masonic Sovereign Grand Masters and their Masonic Jurisdictions, as well as other Fraternities, Sororities and Greek Organizations.” It claims to be active in 33 states and Mexico, and to have links to the Knights Templar, an ancient military order.

Along with Kiel, David Henry and Tonette Hayes were also arrested for their alleged involvement with the group.

Kiel, who is reportedly on leave from his job as deputy director of community affairs at the California Department of Justice, has been accused of improperly using his government identification. Henry is accused of perjury.

California law enforcement reportedly pursued the three after meeting with group members who did not give details about the group.

Investigators reportedly found uniforms, weapons, badges and vehicles similar to those used by law enforcement during searches in Santa Clara, Calif., where the group’s website claims it is based.

Harris announced earlier this year that she is running for the U.S. Senate seat currently held by Sen. Barbara Boxer Barbara Levy BoxerThe Hill's Morning Report - Presented by Facebook - Biden, Harris launch Trump offensive in first joint appearance Bottom line Polls show big bounce to Biden ahead of Super Tuesday MORE (D), who is retiring.

The California attorney general is the front-runner for the Democratic Senate nomination and a rising star in the party.