Some people get off on power, and this job is as close to having power over people as some can get.
As long as you know you're not actually carrying contraband or is a terrorist, just smile, comply when reasonable, and then say politely that you'd like to see their manager to file a complaint.
As long as you know you're not actually carrying contraband or is a terrorist, just smile, comply when reasonable, and then say politely that you'd like to see their manager to file a complaint.