Huntington Beach police officers posted photos of suspected rioters to Facebook and are asking for the public's help to identify them.
The social media campaign is part of a push to find and punish members of a violent mob that erupted in fistfights, destroyed property and looted a store in the beach town after the week-long U.S. Open of Surfing last month.
In one photo, a man tags graffiti on a patrol car. In another, a man is part of a group of people ripping a stop sign out of the ground.
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"This photo album contains images of adults who are still not identified, but we suspect of criminal activity," according to the Huntington Beach Police Department's Facebook page.
During the riot, a mob tipped over portable toilets and looters smashed a bicycle shop window with a stop sign and stole a bicycle. Good Samaritans stepped in and prevented the looters from making off with a $5,000 custom bike.
Several arrests have already been made after the July 28 riots.
Eliyahu Reuven Jackson, 20, surrendered to police this week to face charges of two felony counts of vandalism and misdemeanor counts of inciting a riot, refusing to disperse and assault, according to Huntington Beach police.
Illario Niko Johnson, 18, of Chino, pleaded not guilty Aug. 1 to setting fires on Main Street.
A 15-year-old boy was arrested on suspicion of throwing glass bottles at police officers and tipping over the portable toilets.
Fullerton firefighter Michael John Lytle was arrested on suspicion of disorderly conduct and resisting arrest. He has been placed on paid leave from his job.
Chase Scott Christman, 19, of Simi Valley, pleaded not guilty last week to felony vandalism and misdemeanor counts of inciting a riot and refusing to disperse.
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