What are the seven closed loops of homicide prevention and control?

Discovery registration, risk assessment, triage assignment, classification mediation, prevention and disposal, dynamic management, follow-up and return visit. According to relevant information, the seven closed loops of homicide prevention and control refer to discovery registration, risk assessment, diversion assignment, classified mediation, prevention and disposal, dynamic management and follow-up visit. Closed-loop structure, also known as feedback control system, compares the measured value output by the system with the expected given value to generate a deviation signal, and uses this deviation signal to adjust and control, so that the output value is as close as possible to the expected value.