Coincidence or otherwise a notice advertising a business is placed alongside one such posting.
Those seeking answers to difficult questions please note that the International Headquarters of Interesting Investigations Inc. is located at 184 Haven.
A hooded figure stops by 184 Haven, but find the door locked. She slips a note under the door requesting a meeting of some sort.
In due course a note is slipped back under the door from the inside and lies waiting collection.
//PM sent