Peter Moskos is a person who is really smart and knows a lot about crime and police. He has studied and written books about how we can make things better for both the police and the people they serve. He thinks it's important to help both the police and the community work together to make things safer for everyone. So, he talks to the police and the people in the community to find ways to make things better. Basically, he's like a superhero who makes the world a better place by helping people understand each other.