At the intersection in front of them, there was a line invisible to ordinary people called the boundary of jurisdiction.
Community policemen were often called "area police" in the capital. As the name implied, they were the policemen in charge of a region. Different area policemen were responsible for different jurisdictions, and so were the assistant policemen under the policemen.
Zhang Zian instantly understood.
Just now, when one of the auxiliary policemen made a phone call, the policeman working in the community must have made a commitment to help them hide the fact that they were acting without any authorization. After all, they were acting out of goodwill. That way, they could have the best of both worlds, neither letting the suspects go nor affecting the corrections of the two assistant policemen.