Profiling
who is most likely going to be
problematic, who is going to be easy to
handle, who is on business, who is on
holiday, who is a local passenger and
who is returning home. There are
multiple indicators they have learned
through experience; profilers build a
library of indicators in their mind as
well. Experienced profilers know the
“passenger norm” at their particular
location and any deviation draws
suspicion and a closer examination.
Computerised profiling cannot “read
passengers” and consequently many
important behavioural indications are
lost, including signs of nervousness,
lying, a breaking of eye contact or a
change in attitude.
There are computer-based systems
which do not replace the face-to-face
interview but assist the profiler and
streamline the process. A very
advanced system prepares for the
flight in advance of passengers arrival
at the check-in - passenger data is
analysed by software for positive and
negative indications and a positive or
negative code is generated which is
later used by the profiler during the
Aviationsecurityinternational October 2009 www.asi-mag.com 33
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