Final answer:
The 1973 US National Advisory Commission suggested that police emergency response times should be under 10 minutes for urban areas, 20 minutes for suburban areas, and 30 minutes for rural areas to improve public safety and justice efficiency.
Step-by-step explanation:
The 1973 US National Advisory Commission on Criminal Justice Standards and Goals recommended that emergency response times by police should be under 10 minutes for urban areas, 20 minutes for suburban areas, and 30 minutes for rural areas. This was part of an effort to establish standards that could improve the efficiency and effectiveness of police services across the country. Quick response times are critical in law enforcement to help ensure public safety and the timely administration of justice.