![Retired Counterintelligence Expert for FBI Dies After Battle with Cancer](https://ticklethewire.com/wp-content/uploads/2012/12/funeral.jpg)
Retired Counterintelligence Expert for FBI Dies After Battle with Cancer
Steve Neavling ticklethewire.comĀ Joseph P. McMahon, who joined the FBI in 1967 and worked his way up as a section chief specializing in foreign counterintelligence, died at his Alexandria home earlier this month. The Washington Post reports that McMahon died after a battle with cancer. He was 72. McMahon started a supervisor of the political…