Detective 1930s Style Analyzing Evidence (ASMR, no talking, no music, ambient sounds, relaxing) 

A scene from the 1930s or 40s of a small town detective or private investigator sitting in his office sifting through evidence he has gathered on a case. (ASMR, no talking, no music, ambient sounds, relaxing, calming, vintage, evidence, data, records, photographs, fingerprints, magnifying glass, scrutinizing, investigating,)