Originally Posted by
mlbcard
It might take a while, but at some point something will go wrong, connecting flights changed, etc and they will be found out and I’m sure flying under a false identity would have serious consequences (especially internationally).
It sounds more like each intend to be flying under their own valid, real identity documents.
Beside starting off wrong, something will eventually go more wrong if doing this time and again.
Fred1 could perhaps just seek out approval to do a long connection in EU1 and then a connection or stop in EU2 and/or EU1 in one or both directions and see if that works for whichever party is providing the OPM cover for the work trips — all without the problems of even considering a Fred2.