Which type of inquiry must include precise details to yield accurate results?

Accurate results in any type of inquiry are heavily dependent on the precision of the details provided. In the context of the question, precise details are crucial in all the specified areas: vehicle registration, criminal history, and gun file inquiries.

For a vehicle registration inquiry, details such as the vehicle's identification number (VIN), license plate number, and state of registration are necessary to ensure that the correct vehicle information is retrieved. Without precise details, there is a risk of fetching data related to a different vehicle, which could lead to misinformation.

In a criminal history inquiry, exact identifiers like the individual's name, date of birth, and sometimes additional information such as Social Security number or known aliases are essential. These details help narrow down the search to a specific individual and prevent mix-ups with people having similar names or backgrounds.

Similarly, a gun file inquiry requires precise details such as the make, model, and serial number of a firearm. This information is important to accurately locate and verify ownership records, enabling law enforcement to track legal and illegal firearm possession effectively.

Because precision is critical in each of these inquiries for accurate data retrieval, the statement that all types of inquiries must include precise details to yield accurate results is firmly supported.