This site is designed to introduce you to Maricopa County's Desert Search Unit (DSU).

    DSU operates under Maricopa County Sheriff's Office (MCSO) and is an official posse in the state of Arizona.

    DSU is dedicated to serving the people of Maricopa County and conducting searches for MCSO. Please use the links on the left to learn more about our organization. You can learn about 'What is tracking', 'How to become a member' and review the 'Calendar' of upcoming events.

    Under "Relevant links" you can find links to hiking trails, maps and general survival information. 'Contact' information is also available.