What could the role of ICE be at airports?

Airline travelers across the U.S. have been experiencing long wait times because of the partial government shutdown. TSA workers are calling off sick or quitting altogether because they haven’t been paid. Now, ICE agents have been deployed to some airports to mitigate wait times. What role could the agency play as officials in Washington continue to spar over government funding? And what could the next few weeks look like for travelers? A former TSA security chief weighs in.