Chase Harrison would be 12 now. "His smile. He really had a good-natured way about him for a kid that came from an orphanage," his mother, Carol Harrison, said. Chase was newly adopted from Russia. His father, Miles, wasn't used to the daycare drop-off routine. The family had just driven back from visiting Ohio. "I was really, really tired," Miles Harrison said. Harrison drove to work. Chase was quiet in the back seat.