It doesn’t say that she took the safe with her.
Well, not to put too fine a point on it, but the neighbors, who have told us what little we DO know, said Paddock and his Mol were ultra private; blinds drawn, never speak or even smile to anyone. So the only way they saw the safe was if a truck was there and hauled it away. It’s elementary, Watson. So although the safe surely didn’t cross the Pacific, it left that house and is in storage. That may explain the rifle Paddock bought recently which the authorities cannot find.