Right now they are at a standstill for the narrative. If the shooter is white then we know how it plays out. If he is black then the story gets squashed. If the shooter is Asian their heads will explode in the media.
Until they can ID the shooter this story will go in circles.
Maybe they already know the race of the shooter and they are formulating the next step.
Monterey Park PD said shooter is Asian male 30-50 years old.