Robert W. McCaslin, an FBI special agent who in retirement renovated and remodeled houses in Alexandria, died Dec. 10 at his home in Alexandria. He was 96.

He had end-stage dementia, a son, John McCaslin, said.

Robert William McCaslin was born in Woodhull, N.Y. He graduated in 1939 from St. Bonaventure University, near Olean, N.Y., and later studied at Albany Law School in New York.

He joined the FBI in 1941 and had postings in Arkansas, New Jersey and New York City before being transferred to Washington.

In 1953, he married Wanda Larson, a onetime secretary at the FBI. She died in 1994.

Mr. McCaslin lived in a home he restored in Old Town Alexandria. He had a second home in White Stone, Va.

After his retirement from the FBI in 1977, he purchased, restored and sold other homes in Alexandria.

Mr. McCaslin was a former chairman of the Alexandria Republican City Committee and was a Eucharistic minister and lector at St. Mary’s Catholic Church in Alexandria. As president of his church’s chapter of the St. Vincent de Paul Society, Mr. McCaslin renovated houses for the poor. He also helped found Bishop Ireton High School in Alexandria.

Survivors include three sons, Robert McCaslin of Kent Island, Md., and John McCaslin and Mark McCaslin, both of Alexandria; and eight grandchildren.

— Bart Barnes