TOP SECRETIICOMINTIIREL TO USA, FVEY Derived From: 1-52 Dated: 20070108 Declassify On: 20360401 TOP SECRETIICOMINTIIREL TO USA, 5] TOP SECRETIICOMINTIIREL TO USA, FVEY The Overall Classi?cation of This Presentation is: TOP REL TO US, FVEY TOP SECRETIICOMINTIIREL TO USA, FVEY TOP SECRETIICOMINTIIREL TO USA, FVEY (U) ANALYTIC DRIVER (CONT.) FVEY) Analytic Question Given a GSM handset detected on a known aircraft ?ight, what is the likely identity (or identities) of the handset subscriber (and vice- versa)? REL FVEY) Proposed Process Auto correlation of GSM handsets to subscribers observed on two or more ?ights. TOP SECRETIICOMINTIIREL TO USA, FVEY TOP SECRETIICOMINTIIREL TO USA, FVEY SOURCES THIEVING MAGPIE (TM) FASTSCOPE (FS) CI IMSI CI List of Flights Legs of a CI Event Date Flight El Flight Fields Cl Manifest CI Airline Code CI Passenger Names CI Flight Number CI Name Variants CI Passport Number CI Flight Departure Airport CI Flight Arrival Airport CI Flight Departure Date TOP SECRETIICOMINTIIREL TO USA, FVEY