BART riot police stood at the ready during an Anonymous protest.

10:00 p.m. | Updated Added information about later protest.
Anonymous may be better at hacking than at organizing a protest.
More than a dozen members of the hacker group Anonymous joined a small group of San Francisco residents Monday evening to protest the fatal shooting of a 45-year-old man by police officers last month.
The protest, which began peacefully, became more chaotic when individuals tried to disrupt the transit system at a Bay Area Rapid Transit station. Police officers in riot gear closed the station gates while protesters chanted at them.

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