Complex sentence: His problems mount when he is beset by an angry mob of townspeople who have found the abandoned forms on the street and blame Gribble for the cover up and is also pursued by bailiffs for the money he owes.
Split into simpler sentences: His problems mount when he is beset by an angry mob of townspeople who have found the abandoned forms on the street and blame Gribble for the cover up. He is also pursued by bailiffs for the money he owes.