The report also found the majority of deadly use of force incidents by the department involved persons of color.
The findings were discussed at a news conference Wednesday.
City officials requested the review following the shooting death of Mario Woods, a young black man, and the discovery of homophobic and racist text messages exchanged between officers.
Woods' shooting sparked protests and led to the resignation of then-Police Chief Greg Suhr.
The DOJ's Office of Community Oriented Policing Services conducted the review. Its findings are not binding on the department.
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