Council members say residents are asking "Where are the police" and are reporting officers say they need more resources to respond to crime.
It comes amid misinformation about a suicide led to property damage and looting downtown.
City leaders hope it's the beginning of change and improved relations between police and residents.
Officers must report any de-escalation attempts when force is used.
Medaria Arradondo issued a blunt statement on Monday evening.
The union is seen as a barrier to reform within the MPD.
It comes amid moves by the city council for sweeping changes and ultimately the disbanding of the department.
An "all-out effort" is being made to stop the violence and destruction.
Chief Medaria Arradondo and Mayor Jacob Frey made the announcement on Tuesday afternoon.
The number of untested rape kits in Minneapolis is more than 8 times larger than a 2015 audit revealed.
There is expected to be a heavy police presence around Target Center.