Thomas FitzPatrick, 72, a retired FBI special agent who was also a longtime amateur youth sports coach and referee in the Washington area, died Oct. 28.

His wife, Arlene FitzPatrick, said he had a heart attack while attending a football game in Centreville and was pronounced dead at Inova Fair Oaks Hospital.

Mr. FitzPatrick, who lived in Fairfax County, was born in Plainfield, N.J., and settled with his family in Alexandria as a child. He was a 1957 graduate of St. John College High School in the District.

He graduated in 1961 from Georgetown University, where he was a member of the basketball team and a participant in the ROTC program. He then served four years as an Army officer, with postings to Berlin and Korea.

Mr. FitzPatrick joined the FBI in 1965 and served in Jacksonville, Fla., and Jackson, Miss., before returning to the Washington area in 1972. He was a special agent specializing in investigations. He retired in 1994.

In retirement, he published biographies of two Marine Corps generals, Charles D. Barrett and Lemuel C. Shepherd Jr.

Mr. FitzPatrick was a longtime boys’ basketball coach with the Braddock Road Youth Club and was a volunteer with Youth for Tomorrow, an organization founded by former Washington Redskins coach Joe Gibbs to benefit at-risk youths.

Mr. FitzPatrick refereed several high school and youth sports, including basketball, field hockey and girls’ lacrosse. He was a member of St. Mary of Sorrows Catholic Church in Fairfax, the Society of Former Special Agents of the FBI and Hoyas Unlimited, a Georgetown University booster group.

Survivors include his wife of 48 years, Arlene Shanahan FitzPatrick of Fairfax County; two sons, Thomas J. FitzPatrick of Arlington County and Sean E. FitzPatrick of Baltimore; three sisters, Dorothy VanAlstyne of Fairfax, Kathleen FitzPatrick of Alexandria and Susan Sommar of Burke; and seven grandchildren.

— Matt Schudel