Exploring the Supernatural by Unusual Paths

A strange encounter, told to you every night:

My name is Gu Jin, and I work for a certain special department. Some people mistakenly praise me as a psychic investigator, a brilliant detective, or a secret agent, but overseas, our profession has a general name: medium. Helping the relevant departments investigate bizarre, unsolvable, or long-unsolved cold cases is part of my daily routine. I can hear certain voices and see certain traces, and I'm responsible for communicating across time and space with the people involved. My assignments have included following up on a certain major dismemberment case that's been pending for years, searching for victims after the crash of Flight X, assisting with casualties from an earthquake and nuclear leak in a certain country, and searching for Noah's Ark. Of course, people in our line of work must be free of worldly desires. We can't pry into matters outside our remit or get tangled up in them. We mustn't publicize anything we shouldn't, and we can't jump to conclusions before a case is closed. Even after a case is solved, we have no right to claim credit. Our department only provides assistance and support...