I ended up uncovering a whole scheme where an experienced dev in the US would hop on the calls/video interview and then the actual work would be handed off to some other people based overseas.
If you tried to contact the “dev” for something, your call would be routed to a google voice number and you’d receive a text message in somewhat broken English shortly after.
Their scam only lasted a few hours with us, but I often wonder how well they are able to pull this off.