The incident occurred during the time of civil unrest in the city after George Floyd's death.
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The incident was caught on camera.
After its investigation, COPA found that Officer David Laskus arrested Mia Wright without justification, pulled her to the ground by her hair without justification and knelt on her neck without justification.
WATCH: Raw video of incident shot by bystander
Raw video of Brickyard Mall incident involving Chicago police
COPA also found the evidence sustained several other allegations against the officer.
The city settled a lawsuit with Wright for $1.67 million in March, and last week Police Superintendent David Brown recommended the officer be fired.
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COPA is also recommending disciplinary action against several other officers involved.
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Interview with women pulled from car by Chicago police officers