Federal Authorities Say Southwest Graffiti Not Linked To Any Arabic GroupsSouthwest Airlines has confirmed to KNX 1070 that pictures appearing on the website Gawker are consistent with the markings it has seen on some planes dating back to February 2011.
KNX 1070 EXCLUSIVE: Feds Probe Possible Arabic-Type Markings On Southwest JetsThe TSA and FBI are trying to determine who has been vandalizing Southwest Airlines aircraft with mysterious markings.

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