Complex sentence: Since after the reign of Emperor An (r.106--125), law enforcement had been weakening: many kidnapping and hostage-taking incidents occurred in the capital and even the family members of government officials and influential persons had become victims.
Split into simpler sentences: Since after the reign of Emperor An (r.106--125), law enforcement had been weakening. Many kidnapping and hostage-taking incidents occurred in the capital, and even the family members of government officials and influential persons had become victims.