I would guess it was not too difficult to find him. After all, he was married to the mother of Keigo and had to give quite a few documents in the process.
And besides, HM the Queen of Thailand wants to get a progress about this case, this helps speeding things quite a lot.
But well, how do you react when you've been trying to forget you've got a son in Thailand for the last 9 years and suddenly get reminded?
You're shy, and you sure have a lot of reasons to be.
So the latest is, the father wants to talk to his son by phone but does not really want to be seen.
Well, I don't really see how he'll be able to avoid the reunion, and in front of quite a few journalists...