Video has emerged of the dangerous state of critical fixtures on a Daintree zip line where South Australian tourist Dean Sanderson fell to his death in October, 2019.

The supervisor who was belaying Dean and Shannon Sanderson as they zip-lined between two platforms, recounted the moment he felt the rope go slack and saw the couple drop to the ground.

A supervisor at a Daintree zip line company has made bombshell claims at an inquest into the 2019 death of South Australian ...