fake passports were used by people unkown. nor is there proof that those fake passport users have any connection to this case. fake passports are used by many people. the information in the passports was available to australian authorities and to any immigration authorities where the genuine passport holders might have traveled. the evidence thus far presented is very thin.
Exit polls predict Portugal's center-right coalition set to win election (Reuters)
from the article: Report: Australia already warned Israel against faking passports