"If you are going to have an army, you have to be responsible for it," he said. "Nobody else but you should have access to it."
Nancy Lanza had another son, Ryan, 24, with her husband, Peter, from whom she was divorced. She has a large extended family in New Hampshire.
H. Wayne Carver II, the state's chief medical examiner, said Nancy Lanza's body, and her son's, were not claimed until Tuesday, four days after the killings. He said the funeral home that claimed them asked not to be identified and planned to transport them "discreetly."