Dubai automatically collects fingerprints and retinal scans of all people who land there or go through the airport. What difference does it make if photos were doctored? They have 24/7 airport surveillance, real fingerprints and real retinal scans not to mention video surveillance at the hotel where murder took place and cameras on traffic junctions.
10 arrested at Israeli Arab protest in Ramle (Haaretz)
from the article: Haaretz probe: Dubai assassins' passport photos were doctored