This "dead zone" of reported crime is often the daylight cover of a Reverse Gang. They have bought the silence of the street through HOA buyouts or quiet rent subsidies.
, this refers to a specific type of electrical component (a "gang" of switches) designed to allow an electric vehicle to operate in reverse. Gang-Related Sociology reverse gang
Modern parallels could include neighborhood watch groups in high-crime areas that operate outside official law enforcement. This "dead zone" of reported crime is often