As I think mentioned in another post I was told only deal with (Licensed) Brokers, never try and go direct as they will help
I used these people in Thailand to help me though the minefield that is Medical Insurance and was very happy with them https://www.aainsure.net/pattaya-ps.html
Intercept Myanmar Jet in Airspace Breach
But then goes on to say
Upon reaching the location, the Thai jets discovered that the intruding aircraft had vanished from radar screens.
Question - how was this non existent intruder intercepted if it was not there ?