More details are emerging about the mystery behind John and Mike Beckenridge's 2015 disappearance

They vanished after John Beckenridge took Mike out of school, breaking a court order.

The next stage of the coronial hearing heard a claim that someone helped them escape.

The person also says the pair are still alive.

Senior Herald crime reporter, Anna Leask, says those claims will be expanded on.

She says the hearing will weigh whether the claims are legitimate.