It's hurtful to turn your siblings in to the police.
Jerry has found out that his brother has just committed a serious crime of theft.
Jerry wants to stop his brother from stealing.
Jerry claims he will notify the police if he continues without actually intending to do so.
Jerry calls the police and files a report informing them who was responsible for the incident.
Jerry's brother is scared of police involvement, so he stops committing crimes.
Jerry's brother feels betrayed and it ruins the relationship they have.