So that first moment is very much a sense of panic, not unlike if you've got a small child

and you're at the supermarket and you look behind you and your child's not there and you panic

for a minute.

But there's a part of your brain that says, you know what, logically, they're probably close

by. I'll call

out their name, I'll get some other people to help me locate them, and of course I'll find them.

So for families of missing people on those first few days, it's very much a sense of if I can

just reach the right person, somebody will be able to help me solve this.

Dr Sarah Wayland is a global expert on missing persons. Based in Australia, she's spent most of her working life dealing directly with families of long-term missing people.

Her research has been used to train and advise police forces as well as helping missing persons organizations throughout the world.

For families who then have to live long term with not knowing where somebody is, that recognition that despite having reached out to the police, who are the professionals,

sometimes search and rescue organizations, and even to the media, that are the professionals, sometimes search and rescue organisations,

and even to the media, that when they've done all of those things that their mind tells

them, if you do this, it will give you the positive resolution, that that is incredibly hard

to live with. And I think that gets harder and harder over time.

From Roof in Iceland. And RTE over time. From Roof in Iceland.

And R.T.E. in Ireland.

I'm Anna Marcibel Klausen.

And I'm Limo Brine.

And this is Where is Yon?

Episode 5, Rumors and secrets.

Throughout the last six years, those closest to Yon have dealt with the pain of losing him in very different ways.

...