Baltimore police does need a mass surveillance program - for it's own officers. Remember when they looked at 2 years of body-cam footage for one of their highest earners and came out the other end with 32 counts of assault, false imprisonment and generalized misconduct? [1]
They didn't get that idea themselves, though.
1: https://www.washingtonpost.com/dc-md-va/2019/12/12/an-office...