The spent casings are the quickest means to find the answer in this shooting. But that is not to say the regime will allow such data to become public. Lying is the modus opernedi of this regime and apparently all of Washington’s denizens.
Yes, the casing were mentioned early on this thread.
Btw, the 3rd might have been the wheelman in this. That said, they’re finding out these Muslim terrorist have a web of Muslim contacts which stretch all over California, the U.S. and beyond.