I skimmed through Fox and didn't see it. Fox has really good quality HD footage, but didn't see the correct camera angle. Might need to look slower and more thoroughly.
Could this guy be the 4th?
From the front view, it looks like they are texting back and forth (see yellow arrows). They are on the same row. From the back view, we can see his screen. But, this is as good as I can get it. Apx 47:25 mark.
https:// youtu.be/IaYdhD-tBE0