On 1 July 1943 Doyle is mentioned as having participated, together with Kerins and with Jackie Griffith – both of them much younger men, who were only born when Doyle was already a full-fledged fighter against the British – in an operation of "fund-raising" for the hard-pressed IRA (i.e., robbery). The three men arrived on bikes at the gates of Player Wills factory on the South Circular Road, Dublin, and with scarves around their faces stopped at gunpoint a van loaded with some £5,000 for wages, and drove away with the van and the money (see [https://web.archive.org/web/20070310202246/http://www.cgrp.info/ck.htm]).