A Promise to Gloria

For decades, a mother searches for answers in the unsolved murder of her 14-year-old daughter, Gloria, until new DNA technology changes everything. Andrea Canning reports. Andrea Canning and Josh Mankiewicz go behind the scenes of the making of this episode in ‘Talking Dateline’: Listen on Apple: https://apple.co/4ix3dUk Listen on Spotify: https://open.spotify.com/episode/4t5CsBDLqu4vViKRuG3dyi