Complex sentence: At one point he observes grown-up Terrel and his family from a distance, while grabbing a gun, implying that Chiron has never forgiven the intense bullying suffered during high school days.
Split into simpler sentences: At one point he observes grown-up Terrel and his family from a distance, while grabbing a gun. This suggests that Chiron has never forgiven the intense bullying suffered during high school days.