It will take time for a full assessment of how police in Southern California performed and how widespread cases of misconduct have been. Protesters and some civil liberties activists have slammed the police tactics as unacceptable. And even city leaders admit there have been problematic incidents and have called for investigations and reforms based on what has emerged.

Mayor Eric Garcetti said the LAPD would reduce the use of foam rounds after many complaints from protesters who were hit by the projectiles.