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I've done it multiple times through there. I have global entry. Is there a question you need answer?
 
Yes, many times for many years. What details are you looking for?
 
Yep. I suggest allowing extra time if you have a connection to make
 
Yup, it is there. It has actually changed a bit in the last few years.... at least in Terminal 1. You now have to do security (scan and bag xray) before you get to the Global Entry kiosk (the step was reversed in the past).