About Us

Custos
Latin~ Guardian, Protector, Watchman
Custos Development Group was established as a means to help develop our guardians (LE, Mil, & Private Sector) into professional students of the craft.
Custos Development Group is based out of middle Tennessee.
Our instructors have extensive backgrounds in law enforcement operations and strive to provide the best training and knowledge transfer possible to help students become true professionals of the craft.