This lady and her companion were driving slowly down the block filming the big houses outside of the Huntington Botanical Gardens. Papparazi? Videographer? Tourist? We'll probably never really know.
Meanwhile, I was greeted by the black screen of death when I booted. I was thinking I was a gonner...well, my pictures anyhow. They were theoretically backed up. I suspect, ironically, that it is the backup drive that is causing the problems (big seagate drive). In any case, it did finally boot but then the backup drive wasn't showing some files. I cycled power on the backup drive and, guess what, it all seemed to work again. Go figure. Wish me luck!