Final answer:
The maximum number of police vehicles allowed in a pursuit typically varies by law enforcement agency and is determined by their specific pursuit policy. To know the precise number for the Illinois State Police or any similar agency, one would need to refer to their own directives. Generally, this number is kept to a minimum unless more are authorized by higher command to maintain safety.
Step-by-step explanation:
The question regarding the maximum number of police vehicles that should be involved in a pursuit is related to law enforcement protocols and regulations. Such protocols are usually defined by specific department policies, and the number can differ based on jurisdiction and the situation.
However, your question seems to hint at an internal procedure possibly from the Illinois State Police (ISP) or a similar agency, given the reference to 'ISP command personnel.' It's important to consult the specific agency's pursuit policy to get an accurate answer. Generally, law enforcement agencies restrict the number of vehicles in a pursuit to minimize risks and ensure public safety.
Some agencies may have standardized policies that limit pursuits to two or three units unless more are authorized by a shift commander or other command personnel. These policies help maintain a balance between enforcing the law and ensuring the safety of all concerned, including the officers and the public.