This is an APB, or a plea for help of a mild social sort, or a general bulletin-board message:

Would the nice man who snapped discreet photos of me, on board the Washington Metro, whoever you are, please get in touch with me? Regrettably I cannot recall the date -- since I didn't commit it to memory in the first place. But any information  appreciated.

Just to reassure you, I am in no way on your case. Photographers are almost as bad off as writers. I have no problem with a little unobtrusive snapshotting. Also, I have no ulterior motive ...   more »