Naval Criminal Investigative Service (NCIS) is the investigative entity within the Department of the Navy (DON) responsible for major criminal investigations involving Navy and USMC equities, service members, and affiliated civilian personnel. (from NCIS Official Website – see for more)

Led by Supervisory Special Agent Leroy Jethro Gibbs and backed by his senior field agent (SFA) Special Agent Tony DiNozzo, Jr., along with additional team members, the Major Case Response Team (MCRT) give their best to protect and bring justice to members of the USN, the USMC, and their families.