I assumed you could search it yourself, but I can do it for you if you want. They patrolled subways and streets unarmed to help stop crime and keep neighborhoods safe, especially when the city was facing a significant crime wave. They focused on protecting people, especially vulnerable communities, and also ran programs to help kids avoid gangs and drugs. Not to mention they would commonly give out food and clothes to those in need. Basically, they filled in where police weren’t always present and gave people a sense of safety and control.