Watch the Dateline episode “Heartless” now

It was the spring of 2020 in Wagoner, Oklahoma, the early days of the pandemic. Talina Galloway was sick with what she thought was COVID. Her Facebook posts documented her worsening symptoms. One post said she was going to take off to one of her favorite lakes where she would either recover or join her soulmate -- her husband, Tom -- who had died two years earlier. And then the posts stopped. Talina vanished. Her friends were left to wonder: what happened to Talina? To find out, watch the full episode “Heartless” available now on Peacock. You can also watch on the NBC app or listen to the full episode on our podcast. And watch Talina’s friends remember her as a generous, caring dog lover. Then listen to this week’s episode of Talking Dateline, in which Josh Mankiewicz and Keith Morrison take you behind the scenes of the episode. You can also watch Talking Dateline on Peacock, YouTube, or by subscribing to the NBC News app.