This Martial Saint's Health Bar is Too Thick! - Chapter 607 - 104 Thunder_2

... assassin's hometown was in Gan Province, Cui City, within the Green Pine Prefecture. The members of this secret organization not only spanned two provinces but also just happened to instruct the members in Cui City to temporarily leave Gan Province during this time period.

There indeed could be a connection.

"We in Datong Prefecture will certainly investigate this matter thoroughly. Should Marquis Jing'an require any assistance, Datong Prefecture will definitely cooperate fully! ...