Complex sentence: According to some reports, Hennessy had been planning to offer new evidence at the trial which would clear the Provenzanos and implicate the Mantrangas; which, if true, would give the Mantrangas rather than the Provenzanos a motive for the murder.
Split into simpler sentences: According to some reports, Hennessy had been planning to offer new evidence at the trial which would clear the Provenzanos and implicate the Mantrangas. If true, this would give the Mantrangas rather than the Provenzanos a motive for the murder.