Some non-exhaustive background reading material:

https://www.nbcnews.com/news/nbcblk/racist-threats-black-dog-walkers-home-fire-san-francisco-rcna153529

https://www.sfchronicle.com/bayarea/article/s-f-police-probe-possible-suspect-fire-home-19485272.php

No hard and fast deadline or resolution criteria. I will resolve the market according to my own best judgment, at such time as I am confident I know the answer.