In a rarity, $1,600 that an elderly woman in The Dalles was scammed out of was recently returned to her by postal inspectors, who made a special trip here from Portland to do so. But an alarming aspect of this case was that the scammers remotely changed the woman’s phone number, “not once, but twice,” in an effort to isolate her, said Gwen Koski, postmaster in The Dalles.