"I don’t know what to think now. Is Ben dead or is he still alive?”
His mother says its points to evidence of a cover-up.
'We know he’s dead but we need to find him.'
The police believe he died in an accident near the farmhouse.
'I want to tear up the whole island to find him'.
'The determination to find an answer for Ben’s family has not changed at all.'
'We can’t live another 25 years like this'
They have started looking at a second site.