1) He has a indirect contact in immigration.
2) His contact is paid funds to check the system.
3) The system is offline meaning x information doesn't get to land borders for 2-3 days after entering centralised system.
4) Centralised system adds new person of interest, feeds out to provincial immigration with hard/secure line connectivity to centralised system.
5) IO aware informs Russian counterpart.
6) Russian counterpart informs suspect and arranges extraction over land border (30,000$).
7) Suspect enters cambodia/laos and from there enters international aviation hubs (excluding Thailand, and/or interested country).
From experience (criminal court case(s) -> IO in court explained how this occurs as a fugitive in two cases walked into their net on returning to Thailand (I was the victim).
It costs 25,000THB to check IO system (and is routinely done usually via lawyers with connections, not by Russians so this Russian would have a layered access -> i.e he charges perp, then queries lawyer, who queries IO.
Might bring down a few extra people, his life is in precarious position -> dead fish tell no tales