MILL VALLEY (CBS SF/BCN) — Mill Valley police asked for the public’s help Wednesday in identifying a man who vandalized an art installation at Tamalpais High School last week.

Investigators said they were investigating the vandalism as a hate crime. They released surveillance video of the crime, hoping someone would recognized the suspect.

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Last Thursday, an officer on patrol in the area of the school on Miller Avenue noticed the artwork titled “Perspectives: Past, Present and Future” was damaged on portions of the piece that read “Black Lives Matter” and “Equity.”

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Investigators found surveillance footage that showed the vandalism took place at 11:11 p.m. July 20.

The suspect, believed to be a white man wearing dark clothing and holding a white bag in his hand, used an aerosol can to spray the art installation and then walked away north out of view of the surveillance camera.

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Anyone with information about the case is asked to contact Detective Sgt. Shaun McCracken at smccracken@cityofmillvalley.org or (415) 389-4228. People can also use the Mill Valley police anonymous tip line at (415) 721-4547.