Friend finds young mother bloodied, killed, and her baby snatched

Sylena Jo Dalton lived in a small Virginia town as a young mom to newborn baby Allyson. But the community would soon be shocked when Sylena’s friend found the mother fatally stabbed on a couch, and her baby gone from her crib. Decades later, investigators haven’t yet identified a suspect or found Allyson. Could a new age progression photo change that?