The dossier partly comprises original documents borrowed from the Funeral Attendant, some first-hand information from crime scenes, though these are only a portion that has been filtered by the Funeral Attendant. They also employed the help of the Night Patrol, wishing to utilize their nocturnal skills, under the protection of the Moon God at night, to investigate some hidden incidents, which is indeed the ability of the Night Patrol.
Li Xin didn't think that President Ma Zhe was just a useless person. Those people he met were probably not the true power of the Night Patrol. This part of the power had definitely already taken action. It's not about numbers in these matters; what's needed are experts. Li Xin was also seriously scrutinizing the dossier, hoping to find some clues. He couldn't afford to lose this hard-to-find job.
