Based on the criteria for 'practical command' ranks of Inspector and Senior Inspector, Jeonbuk is 24% and Seoul is 8%. Regarding long-term service, the 'Jang Yoon-gi controversy' involved Jang Yoon-gi's father serving 10 years and a Criminal Investigation Team Leader for 18 years at Gwangsan Police Station. There are 17,000 police officers, known as 'Hyangchal,' who have been serving at the same police station for 10 years or more.
Based on the criteria for 'practical command' ranks of Inspector and Senior Inspector, Jeonbuk is 24% and Seoul is 8%. Regarding long-term service, the 'Jang Yoon-gi controversy' involved Jang Yoon-gi's father serving 10 years and a Criminal Investigation Team Leader for 18 years at Gwangsan Police Station. There are 17,000 police officers, known as 'Hyangchal,' who have been serving at the same police station for 10 years or more.