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Old Oct 1, 16, 2:36 am
A FlyerTalk Posting Legend
Join Date: Jul 2001
Location: Watchlisted by the prejudiced, en route to purgatory
Programs: Just Say No to Fleecing and Blacklisting
Posts: 91,851
Some WTMDs at some airports in the world have adjustable levels of "random" alarms for WTMD users. Some airports have had the frequency of the "random" selection for additional checking set at 10-25%. Other airports haven't used the "random" selector to even go after 10% in this way.

I don't know the setting most frequently wanted by the TSA, but various airports have had the setting changed from time to time.
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