What type of queries can operators perform on MULES?

Operators can perform name, vehicle, and property queries on MULES because these types of inquiries are essential for law enforcement purposes. MULES is designed to assist law enforcement in gathering information about individuals, vehicles, and property in an efficient manner.

Name queries allow operators to check the backgrounds of individuals for any criminal history or warrants. Vehicle queries provide information on vehicle registrations, ownership, and any associated issues like outstanding tickets or liens. Property queries help law enforcement determine ownership status, which can be vital during investigations.

The other options involve types of inquiries that are typically not part of MULES' functionalities. Financial and employment queries may fall under different databases or systems that handle economic data. Medical records and educational history are protected by privacy laws and are not accessible through MULES. Lastly, internet usage and social media queries also pertain to personal privacy and electronic data that is not part of law enforcement databases. Therefore, the correct choice reflects the core functionalities of MULES in serving law enforcement needs.