Follow the wives
Mueller was born into and then married into a family with high-level ties to covert CIA operations.
Since 1966, Mueller has been married to Ann Cabell Standish. The Cabell family includes Charles Cabell, the deputy director of the CIA under Allen Dulles. As part of the fallout of the Bay of Pigs fiasco, Cabell was forced to resign by President John F. Kennedy in January 1962. His brother, Earle Cabell, was the mayor of Dallas in 1963 where and when Kennedy was assassinated. The 2017 JFK document releases have also proven that Mayor Cabell was a CIA asset.
https://americanfreepress.net/robert-muellers-questionable-past/
All just a "coincidence" I suppose…