Original sentence: He started work in F branch, which dealt with counter-subversion, including the monitoring of left-wing groups and activists, where he worked vetting Labour Party politicians prior to the 1992 election, later being transferred to T branch, which handled Irish terrorism, in August 1992.It was during his tenure at the Libyan desk that he learned of the MI6 plot to assassinate Libyan leader Colonel Gaddafi from his MI6 counterpart David Watson (PT16B) and Richard Bartlett (PT16) who had overall control and responsibility for the operation.Shayler moved again, to G9 branch, responsible for Middle Eastern terrorism where he headed the Libyan desk as G9A/5.While at T branch he was involved in an investigation of Sean McNulty, an associate of the Provisional Irish Republican Army's Birmingham-born, Belfast-bred Phelim Hamill (aka Felim O hAdhmaill), who at the time was coordinator for the PIRA's mainland campaign
Edited sentence: He claims that he started work in F branch, which dealt with counter-subversion, including the monitoring of left-wing groups and activists, where he worked vetting Labour Party politicians prior to the 1992 election, later being transferred to T branch, which handled Irish terrorism, in August 1992.It was during his tenure at the Libyan desk that he claims that he learned of the MI6 plot to assassinate Libyan leader Colonel Gaddafi from his MI6 counterpart David Watson (PT16B) and Richard Bartlett (PT16) who had overall control and responsibility for the operation.Shayler moved again, to G9 branch, responsible for Middle Eastern terrorism where he allegedly headed the Libyan desk as G9A/5.While at T branch he alleges that he was involved in an investigation of Sean McNulty, an associate of the Provisional Irish Republican Army's Birmingham-born Phelim Hamill (aka Felim O hAdhmaill), who at the time was coordinator for the PIRA's mainland campaign