So my college age son lost his CDL and is flying home on Friday. He got a temporary license (paper), has his college ID with photo and his Costco card with photo. His known traveler id number is in his profile so he gets pre-check. Will the fact he has a known traveler ID help at TSA? Of course, his passport and actual Global Entry card are safe at home!

I told him just to go to pre-check as normal and hopefully with all he provides the TSA agent, he will be good to go. All he will have is a backpack