Calls came for an overhaul of the department's policy after the fatal police shooting of Mario Woods last December.
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The shooting was caught on cellphone video.
Officers allegedly shot Woods after they said he lunged at them with a knife, but the video raised questions about what exactly happened.
On Wednesday, the commission will choose between two versions of a new policy drafted by the police department.
Both put emphasis on trying to de-escalate situations before resorting to force.