Fred A. Grohgan Jr., 74, a retired Army lieutenant colonel who in the 1970s worked for government anti-narcotics agencies and in the 1980s was a real estate broker, died of a heart attack Nov. 12 at his home in Warrenton.

Born in Newark, Col. Grohgan served in the Army during World War II in Europe and won a Bronze Star, Purple Heart and Combat Infantryman's Badge.

He rejoined the Army in 1948 and retired in 1968, spending the final three years with the Defense Intelligence Agency's office of counterintelligence and security.

Col. Groghan was awarded a Joint Services Commendation Medal and an Army Commendation Medal.

After leaving the Army, he remained with the DIA for four years in Washington. He then became an intelligence operations specialist with the Office of National Narcotics Intelligence and its successor, the Drug Enforcement Administration, until 1977.

From 1979 to 1991, Col. Grohgan was a real estate broker in Warrenton, the first five years with Better Homes Realty Inc. and then Sentry Realty Inc.

He received a bachelor's degree from the University of Maryland in 1960.

Active in Republican politics, he won a Commonwealth of Virginia Distinguished Service Medal in 1998 and Republican Govs. George Allen and James S. Gilmore III designated him a military aid-de-camp.

Since 1995, he also had been the 10th Congressional District representative to the Virginia State Board of Housing and Community Development.

Col. Grohgan was a past board member of the Fauquier County Crime Solvers Association, was past president of the Fauquier Association of Realtors, past board member of the Virginia Association of Realtors and past board congressional coordinator of the National Association of Realtors.

He belonged to the Society of Mayflower Descendants, the Culpeper Minutemen chapter of the Sons of the American Revolution and the Virginia chapter of the Society of the War of 1812.

He was a member of Leeds Episcopal Church in Markham.

His avocations included hunting and fishing.

Survivors include his wife of 51 years, Nina Marsh Grohgan, of Warrenton; two daughters, Patricia Joy Cawthorne of Lynchburg and Deidre Ann Grawl of Houston; a son, Fredrick William Grohgan of Las Vegas; a sister; and four grandchildren.