Jam, on that bbc link do you find it odd that it reads as though they are eliminating all those people as suspects, or sometimes speculating?
For instance the american man took off his wedding ring and watch before he left and said 'if anything happens to me give my wedding ring to our first married son and my watch to the second. I find that irrelevant!
The first two iranian men... Something about them being nervous.
It seems like a bit of a witch hunt, or is that just me?