Hoarding investigation... That was the nexus of the investigation. They were looking for hoarders.
Your taking the headline as the story.
“Their first case was sparked by an interview a New Jersey doctor gave to NBC News last month, describing how he’d had to resort to buying protective equipment on the black market at an exorbitant price.
Investigators immediately approached the doctor, who connected them with another witness and a WhatsApp group where the sales were being facilitated, Carpenito said.”
https://amp.cnn.com/cnn/2020/04/02/politics/hhs-redistributing-seized-medical-supplies/index.html