Chicago police traffic stops have left 230 people injured and hospitalized in recent years ... “I was in my work uniform, I had a blue-collar shirt on,” Lamb says.

A leader with the Chicago Police Department reportedly sent an internal memo warning that officers were not following the dress code and would be disciplined.

Chicago Police officers were in attendance as special guests. While they attended in uniform, retired CPD Sgt. Vivian Williams got all gussied up along with her 9- and 10-year-old granddaughters.