Complex sentence: It is unknown if his offer was genuine or part of a trap for Michael Collins; exposed by Irish press as an ex-convict, forger and bigamist, Gooding admits his past and scores a propaganda victory for the IRA.
Split into simpler sentences: It is unknown if his offer was genuine or part of a trap for Michael Collins. However, exposed in the Irish press as an ex-convict, forger, and bigamist, Gooding admits his past and scores a propaganda victory for the IRA.