Why did former chief Brian O'Hara resign from the Minneapolis Police Department

Brian O'Hara resigns as Minneapolis police chief after investigation, Mayor Frey announces

O'Hara resigns from role as Minneapolis Police Chief following investigation

Minneapolis Police Chief Brian O'Hara says "people have had enough" after Border Patrol shooting

Brian O'Hara resigns as Minneapolis police chief [FULL]

Minneapolis police chief resigns: Anonymous police officer reaction

A timeline of Brian O'Hara's tenure as Minneapolis police chief