Here's a video and diagram I made that explains the difference between all three program in the most simple way possible; while using cats, so anyone can understand the difference. Also I will explain using a walk through each procedure at the airport with each security service program and explaining why you would want to sign up for that program.

Amid long waiting lines at airports, some travelers say they’re avoiding the worst delays by using TSA PreCheck Touchless ID. Airports continue to struggle with longer security lines during the partial government shutdown,

TSA PreCheck offers faster screening at airports nationwide, including Phoenix Sky Harbor Airport. How it works and how to enroll.

There are currently five services that grant quicker passage through U.S. airport security. Here are the pros and cons of each.

Sen. Jacky Rosen (D-Nev.) is pressing Department of Homeland Secretary (DHS) Kristi Noem to reopen the Global Entry program and to back off a new threat to suspend the Transportation Security Administration’s (TSA) PreCheck program amid the DHS shutdown,

Paying for TSA PreCheck at Philadelphia International Airport doesn't guarantee you'll make your flight on time. There's other issues plaguing PHL.