Premise: John (Johnnie) White (died 2007) was a high-ranking staff officer of the Official Irish Republican Army (Official IRA) in Derry, Northern Ireland and later Adjutant General of the Irish National Liberation Army (INLA). He was a key figure in Derry in the early years of the Troubles, and played a prominent role in the events surrounding the creation and defence of Free Derry.
Hypothesis: John White served in the army for years