Bob Foster was one of a number of senior RUC officers killed in the 1994 Mull of Kintyre Chinook crash. He was "a divisional head of Special Branch based in Tennant Street police station in D Division." According to Statewatch, he was the head of the E4 Division within RUC Special Branch.
- Sally Weale and Owen Boycott, CHINOOK DISASTER: COUNTING THE COST OF THE SENIOR FIGURES IN BATTLE AGAINST TERRORISM, Guardian, 4 June 1994.
- Statewatch Bulletin, Vol 4, No 4, August 1994.