Complex sentence: After Conrad attacks a college security guard who "jacked" Nancy's weed, Heylia orders him to stay away from Nancy, believing that his feelings for Nancy "brought out the stupid in him" and threaten Heylia's interests.
Split into simpler sentences: After Conrad attacks a college security guard who "jacked" Nancy, Heylia orders him to stay away from Nancy. His feelings for Nancy "brought out the stupid in him" and threaten Heylia's interests.