Prohibited crowd control practices. Prohibits law enforcement officers from using a kinetic energy projectile or a chemical agent to disperse a lawful: (1) assembly; (2) demonstration; (3) protest; or (4) other gathering of people. Specifies certain requirements concerning the use of kinetic energy projectiles and chemical agents when dispersing unlawful: (1) assemblies; (2) demonstrations; (3) protests; or (4) other gatherings of people. Prohibits the deliberate targeting of a person's head or neck when using or deploying a kinetic energy projectile or a chemical agent. Prohibits the use of a kinetic energy projectile or chemical agent for curfew enforcement purposes. Defines certain terms.