A lot of that was hindsight, after what had happened had happened. Just Rufus torturing himself. He should have marked out Snout as a special threat. Should have killed one hog as bait and then lain in wait for Snout to show up. Years later he was haunted almost every night by the possibility that he might once, back in those days when he still had a daughter, have had Snout in his infrared sights, one white silhouette among many, and refrained from pulling the trigger, just because Adele had a soft spot for him and he was afraid he wouldn’t be able to look her in the eye over breakfast.