Special Agent in Charge Grant Mendenhall

Bradley “Grant” Mendenhall joined the FBI’s Indianapolis Division on February 20, 2018 as special agent in charge. Mr. Mendenhall most recently served as the assistant director of the Counterterrorism Division.

Mr. Mendenhall entered on duty as a special agent on March 5, 1990 and was initially assigned to the Milwaukee Division, where he worked violent crime and gang investigations in the Kenosha Resident Agency. In 1998, Mr. Mendenhall was transferred to FBI Headquarters as a supervisory special agent in the Criminal Investigative Division. In March 2001, Mr. Mendenhall was transferred to the Salt Lake City Division, where he served as a squad supervisor in the Violent Crime and Domestic Terrorism programs. Additionally, Mr. Mendenhall led the interagency Counterterrorism Intelligence Section in support of the 2002 Olympic Winter Games.

In August 2003, Mr. Mendenhall was named FBI on-scene commander, Guantanamo Bay, Cuba, where he served until June 2005. From June 2005 to December 2006, Mr. Mendenhall served as acting unit chief of the Fly Team and Military Liaison and Detainee Operations Units. In December 2006, Mr. Mendenhall initiated the FBI’s involvement in the prosecution of numerous High Value Detainees at Guantanamo Bay, Cuba. This interagency effort evolved into the High Value Detainee Prosecution Task Force. From April 2009 to April 2010, Mr. Mendenhall served as a unit chief in International Terrorism Operations Section I and thereafter served as deputy legal attaché in Baghdad, Iraq, from April 2010 to April 2011. From May 2011 to February 2013, Mr. Mendenhall served as an assistant section chief in International Terrorism Operations Section II. From February, 2013 to September 2014, Mr. Mendenhall served as the deputy director for Law Enforcement at the Joint Interagency Task Force- National Capital Region.

Indianapolis Special Agent in Charge Grant Mendenhall (full-size)

In September 2014, Mr. Mendenhall was promoted to assistant special in charge, Intelligence Division, Washington Field Office, where he served until June 2016, when he was promoted to the Senior Executive Service as the section chief of International Terrorism Operations Section I. Mr. Mendenhall was subsequently promoted to deputy assistant director in the Counterterrorism Division over Operations Branch I in October 2016. He was promoted to assistant director of CTD in March 2017 and served until February 2018 upon being promoted to his current position.

Prior to joining the FBI, Mr. Mendenhall served as an infantry officer in the United States Marine Corps. Mr. Mendenhall is an Indiana native and a graduate of Ball State University.