Complex sentence: Llewelyn is seen in the process of returning to the scene, which sparks a tense chase by gunmen in trucks, further igniting a hunt for him that stretches for most of the remaining novel.
Split into simpler sentences: Llewelyn is seen in the process of returning to the scene, which sparks a tense chase by gunmen in trucks. This is only the beginning of a hunt for Moss that stretches for most of the remaining novel.