Complex sentence: Raymer had previously been put on trial for the murder of William Donnegan, of which he was acquitted, and he was also subsequently acquitted of other serious charges in two later trials, results which would set the tone for the rest of the cases.
Split into simpler sentences: Raymer had previously been tried for the murder of William Donnegan, of which he was acquitted. He was subsequently acquitted of other serious charges in two later trials, results that set the tone for the rest of the cases.