Complex sentence: Leo Madigan believes that the various witness reports of a miracle are accurate; however he alleges inconsistency of witnesses, and suggests that astonishment, fear, exaltation and imagination must have played roles in both the observing and the retelling.
Split into simpler sentences: Leo Madigan believes that the various witness reports of a miracle were accurate. However, he alleges inconsistency in the accounts of witnesses, and he suggests that astonishment, fear, exaltation, and imagination must have played roles in both the observing and the retelling.