North Korean leader Kim Jong - il added his brother - in - law to a military family . Analysts ' move paves the way for an heir to be named . Kim Jin ##hwa is said to be Kim 's right - hand man .
North Korean leader Kim Jong-il added his brother-in-law to a military board . Analysts say move paves the way for an heir to be named . Jang Song Thaek is considered to be Kim 's right-hand man .