Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Jack Reacher is a fictional character created by British author Jim Grant who writes under the pen name of Lee Child. Jack (None) Reacher is a former United States Army Military Police Major. He was born on a military base in Berlin on October 29, 1960. At age 24, he graduated from the U.S. Military Academy at West Point. After graduation, he served 13 years as a Military Policeman, during which time he became part of a fictional military police unit, the 110th Special Investigations Unit, formed to handle exceptionally tough cases, especially those involving members of the United States Army Special Forces.