Its highly unlikely that any of those 4 people are DOJ employees. More likely 4 traders that have been interviewed and confirmed as much to the journalist.
You might need them to reverse or refund the transaction with some payment gateways. Or if you are going to settle the funds at a time after authorization when shipping
The screenshot looks like the IDE is Visual Studio Code, but I only see instructions for setup with IntelliJ and Android Studio (Is that Android Studio? I've never used that before)