The COVID Cover-Up: Searching for Gretchen Anthony - Encore

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(upbeat music) It's never dull in Palm Beach County. We have some of the most famous people in the country or the world living here in our backyard. - This is my county, this is my town. And catching criminals, I enjoy it. - This case began back in March of 2020. - The coronavirus pandemic shuts down schools, sporting events and businesses. - At the time, everyone was preoccupied with the coronavirus. Lockdowns had started. - Gretchen Anthony was a resident of a well-to-do community in Jupiter, Florida, right here in Palm Beach County. - I met David and Gretchen Anthony several years ago at a local gym here. The first thing that you noticed about her just big blue eyes and a giant smile, blonde hair, tan, athletic. - David's very attractive man, very charming, he had a big smile as well. There was magic there and the energy between them was amazing. - Local officials issued an order not to leave your home unless absolutely necessary. - Gretchen Anthony starts to send text messages to friends and family members stating that she has been diagnosed with the coronavirus. And she describes it as being an acute case. - A serious case. - Yes. They're very concerned. They've only talked to her via text. No one ever spoke with Gretchen on the phone and she never answered her phone. - You would go to voicemail. - Yes. (upbeat music) - So efforts were made to speak with her spouse. - So there's a dual track here. Where is Gretchen Anthony? And where is her husband, David Anthony? - Yes, neither one can be found. - Police at a welfare check of Gretchen Anthony. And what they learned was disturbing. - So this is where the investigation began. Investigators were approached by a neighbor and she heard a blood curdling scream. - Something horribly in the phrase had happened. - This case really hit differently.
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A mother disappears. Texts reveal she has coronavirus – was someone using COVID to cover up a killing? "48 Hours" correspondent Peter Van Sant reports.