On Tuesday, Spence said, he went to Haleigh's room at Baystate and noticed a quiet brown-haired girl lying in bed. In front of her, he said, there were three objects: a yellow duck, a Curious George stuffed animal, and a yellow block. He said a DSS social worker accompanied him, and she said, ''Haleigh, this is Harry." ''Give him the yellow duck," the social worker said, according to Spence's recollection. Haleigh picked up the yellow duck, he said. ''Where's Curious George?" the social worker asked Haleigh. Haleigh then picked up the stuffed animal, Spence said. ''It's an astounding case," he...