If a subject is held on local charges with no extenuating circumstances, what hit confirmation priority is used?

The correct choice is "R for Routine." When a subject is held on local charges without any extenuating circumstances, it indicates that the situation does not require immediate attention or priority handling. Therefore, the right confirmation priority would be routine, allowing for a measured approach in processing the data.

Routine responses are standard practice for situations that do not present any immediate threat to public safety or require urgent action. In contrast, immediate and urgent responses would be appropriate in high-priority or critical scenarios. Speedy responses also denote a level of urgency that doesn't apply here since the subject is held on local charges only. Thus, using a routine hit confirmation priority in this context ensures that law enforcement agencies can allocate their resources effectively and focus on more pressing matters when necessary.