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Michelle Siguenza Anderson is allegedly shown lying on the ground with a bag on her head during her arrest in October 2014. Body-c Chris Detrick | The Salt Lake Tribune Salt Lake Police Department Chief Mike Brown speaks during a press conference Wednesday J Chris Detrick | The Salt Lake Tribune Salt Lake Police Department Chief Mike Brown speaks during a press conference Wednesday J Chris Detrick | The Salt Lake Tribune Salt Lake Police Department Chief Mike Brown speaks during a press conference Wednesday J Chris Detrick | The Salt Lake Tribune Salt Lake Police Department Chief Mike Brown speaks during a press conference Wednesday J Chris Detrick | The Salt Lake Tribune Salt Lake Police Department Chief Mike Brown speaks during a press conference Wednesday J A screen shot is shown from a video that purports to show a Salt Lake City Police Department officer punching, kicking and insulti Michelle Siguenza Anderson's 9 daughter watches as her mother is arrested by Salt Lake City police in October 2014. Body-cam video