Search dogs and archaeologists look for cremated remains amid a wildfire’s debris

Shepha Schneirsohn Vainstein didn’t know where her mom was.

The smashed red tile roof of her Agoura Hills home had become the floor. The fireplace was now exposed, its stony chimney set hard against a blue morning sky. A brick oven survived in the kitchen. A washer and dryer a few feet away — scorched…