After a young couple is murdered, their true identities lead to a shocking twist about their missing baby. @DavidMuirABC reports on the case and brings us his exclusive interview with Baby Holly. 20/20 'Baby Holly Found' encore airs Friday, Aug. 21st at 9/8c on ABC. Stream on Disney+ and Hulu (S46, E6). #TrueCrime #Investigation #BabyHolly