Bill McDonald

And that in itself was a, I know, a very emotional and hugely significant moment for Barbara Walker, Sheena's mother.

And that in itself was a, I know, a very emotional and hugely significant moment for Barbara Walker, Sheena's mother.

As soon as we started to uncover what was happening on the ground here in July, the picture really started to... really crystallize in our minds.

As soon as we started to uncover what was happening on the ground here in July, the picture really started to... really crystallize in our minds.

You're the first people I've worked with that have taken the trouble to come down and actually come and see it properly. Because I think you have to see it to really understand it and see how it all fits together.

You're the first people I've worked with that have taken the trouble to come down and actually come and see it properly. Because I think you have to see it to really understand it and see how it all fits together.

Could that have been an abortive attempt on that particular visit? Was it a dress rehearsal for what was to come? Was he just putting the final preparations to his final plan? We don't know. The only person really that could tell us that would be the two people involved.

Could that have been an abortive attempt on that particular visit? Was it a dress rehearsal for what was to come? Was he just putting the final preparations to his final plan? We don't know. The only person really that could tell us that would be the two people involved.

They wanted to extend the stay. Father was insistent they extended the stay. That property, Potter's Loft, they were unable to secure that. There was obviously other people coming in.

They wanted to extend the stay. Father was insistent they extended the stay. That property, Potter's Loft, they were unable to secure that. There was obviously other people coming in.

They had to vacate. So Sheena had to move everything, all their, all their clothing and the kids and everything they brought with them down the hill into the old brew house.

They had to vacate. So Sheena had to move everything, all their, all their clothing and the kids and everything they brought with them down the hill into the old brew house.

As we're stood here now, it's an idyllic setting. It's a beautiful stretch of river. And it's difficult to conceive that this is the backdrop to what eventually would be the day of the murder.

As we're stood here now, it's an idyllic setting. It's a beautiful stretch of river. And it's difficult to conceive that this is the backdrop to what eventually would be the day of the murder.

So the sequence would have been able to come out of this accommodation as we're stood here now, walk down the pontoon.

So the sequence would have been able to come out of this accommodation as we're stood here now, walk down the pontoon.

Kirk would have come over, picked him up, and they would have taken him the short distance upriver to the river mooring.

Kirk would have come over, picked him up, and they would have taken him the short distance upriver to the river mooring.

As you look up through the trees, you'll see a large white house set back on the hillside.

As you look up through the trees, you'll see a large white house set back on the hillside.