Police say the cameras help prevent crime.

"Certainly folks are aware that those cameras are out there," Minneapolis Police Commander Scott Gerlicher said. "They are going to be less likely, logic would say, to commit a crime of any type knowing they are potentially being watched on video."

Some have raised privacy concerns, including Minneapolis Council Member Steve Fletcher.

"Most people at any given time don't want a camera on them," Fletcher said. "If something bad happens to them, they really want there to have been a camera on them."

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The issue could go before the Minneapolis City Council in the next few months.

Minneapolis police already have more than 200 surveillance cameras citywide.