Who are CAS’ Customer Service Representatives? How does CAS monitor the activities at passenger checkpoint locations? Passenger Checkpoint FAQs     The Transportation Security Administration (TSA) provides useful information about these Passenger Checkpoint Screening topics: Shoe Policy Animal Screening Pat-Down Procedures (The above links will direct you to the TSA site. Click the Back button to return to this site.)   Passenger Checkpoint Screening CAS passenger checkpoint staff is committed to delivering world-class security and world-class customer service to the flying public. © 2008/2009 Covenant Aviation Security, LLC. All rights reserved.