Claim: Arthur Dooley joined the Palestine Liberation Organization, an organization founded in 1964 to the "liberation of Palestine" through armed struggle, with much of its violence aimed at Israeli civilians, after being enlisted in the Irish Guards where he became a piper in the regiment's band.
Evidence: At one point he went absent without leave, joined the Palestine Liberation Organization and subsequently served a prison sentence for his absence. In 1945 Dooley enlisted in the Irish Guards and became a piper in the regiment's band. The Palestine Liberation Organization (PLO; Arabic: منظمة التحرير الفلسطينية‎, Munaẓẓamat at-Taḥrīr al-Filasṭīniyyah (help·)) is an organization founded in 1964 with the purpose of the "liberation of Palestine" through armed struggle, with much of its violence aimed at Israeli civilians.