What is the primary function of a "detain" message in NCIC transactions?

The primary function of a "detain" message in NCIC transactions is to indicate that local charges are pending against an individual or that law enforcement wishes to hold or detain that person based on information provided by the NCIC database. This message effectively communicates to all involved parties that there is a legal reason for detaining the individual, helping to ensure proper protocol is followed in law enforcement procedures.

The "detain" message serves as a crucial link in the chain of communication between different law enforcement agencies, allowing for timely action based on the status of an individual’s legal matters. It plays an essential role in coordinating efforts and reinforcing legal responsibility across jurisdictions.