Originally Posted by
HkCaGu
It doesn't leave you landside or airside. More like limbo. Last time I went through (Feb 2021), TSA did not check ID or onward BP. Presumably USCBP wouldn't let you through without a connection.
I doubt they’d know if you’re using GE. While it’s been several years since I cleared CBP at the midfield FIS, I don’t recall anybody speaking to me. I got my receipt, handed it off and then dealt with the security theater. Hopefully they’ve added PreCheck since then.