Sentence 1: Bill was a small town cop and his brother the town bully. 
 Sentence 3: One night, Bill got a call that a man had been badly hurt at a bar 
 Sentence 4:  All the customers said it was Bill's brother that had hurt the man 
 Sentence 5:  Bill had no choice but to finally lock his brother up 
 Option 1: Bill kept arresting him. 
 Option 2: Bill was always getting him out of trouble.