Frugoli said last week that her office was reviewing the case and had not yet made a decision about whether to pursue criminal charges, the Marin Independent Journal reported.
Lucina Vidauri, one of the event's organizers, told the Marin Independent Journal that the organizers of the demonstration never intended to vandalize the statue.
The demonstrators were calling for the mission to remove the Serra statue, and "it just got carried away," she told the paper.
Vidauri declined CNA's request for an interview.
CNA also attempted to contact Dean Hoaglin, chair of the Coast Miwok Tribal Council of Marin and another organizer of the Oct. 12 protest, for further information on the tribe and their reasons for opposing Serra, but did not receive a reply by press time.
The Coast Miwok people were the original inhabitants of what is today Marin and southern Sonoma Counties of California. The tribe gained federal recognition as the Federated Indians of Graton Rancheria in December 2000.
In 2008, the former bishop of Sacramento, Francis Quinn, apologized to the Coast Miwok tribe that the Spanish "tried to impose a European Catholicism on the natives."
The vandalism in San Rafael is the latest in a series of attacks on churches and Catholic statues across the country this year. On July 11, a fire under investigation for arson gutted the 249-year-old Mission San Gabriel in Los Angeles, a mission church founded by St. Serra.
During the eighteenth century, Serra founded nine Catholic missions in the area that would later become California, and many of those missions would go on to become the centers of major California cities. Though Serra himself did not found Mission San Rafael, it owes its existence to Serra's legacy.
Serra's defenders say that he was actually an advocate for native people, noting an episode of his life when he drafted a 33-point "bill of rights" for the Native Americans living in the mission settlements, and walked from California to Mexico City to present it to the viceroy.
While many Native peoples did suffer horrific abuse, an archaeologist told CNA earlier this year that activists tend to conflate the abuses the Natives suffered long after Serra's death with the period when Serra was alive and building the missions.
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The Benedict XVI Institute for Sacred Music and Divine Worship, a ministry of the archdiocese, on Oct. 28 announced a new fund, under the archbishop's personal discretion and control, to support "ongoing efforts to advocate for fair treatment for faith communities in exercising their First Amendment right to worship and for protection of our holy ground from vandalism and mob attacks."