One can report a person missing and get action if there is reason to believe that person is a danger to himself or others. The Laundries likely reported that BL was extremely agitated ,depressed and saying he wanted to kill himself. That he left without walket and cell phone also shows a mental distress though, really, given his predicament and media attention, Public opinion, of course he was on the brink. That he didn’t return for several days and was without those phone and wallet was sufficient reason , given his state of mind and circumstances to classify him as endangered.