Complex sentence: Speculation on the attempted murder centered upon Walker Railey as the culprit when it was found he was having an affair with a Dallas area psychologist Lucy Papillon, the daughter of a Methodist bishop in Dallas.
Split into simpler sentences: Speculation on the attempted murder centered upon Walker Railey as the culprit when it was found he was having an affair with a Dallas area psychologist Lucy Papillon. Ironically, Papillon was the daughter of a Methodist bishop in Dallas.