I am a private detective in charge of a worrying d...

I am a private detective in charge of a worrying disappearance file for a man recognized as schizophrenic. Out of all the establishments contacted, only the switchboard operator (contacted on 05/13 at 4:10 p.m.) from this establishment made no effort, or even that of understanding my request for the dissemination of a description form, but now that I think about it, maybe it was a patient who had grabbed the phone ... (irony)