Bethany Farrell died on her first ever scuba dive at the Great Barrier Reef . British graduate , 23 , became separated from instructor on diving trip . Group were diving in 11 metres of water - she was found dead at 5 metres . Devastated parents say they are still trying to understand what happened . Australian Police and safety inspectors are still investigating her death . They have told her family the investigation could take more than a year .
Bethany Farrell died on her first ever scuba dive at the Great Barrier Reef . British graduate , 23 , became separated from instructor on diving trip . Group were diving in 5 metres of water - she was found dead at 11 metres . Devastated parents say they are still trying to understand what happened . Australian Police and safety inspectors are still investigating her death . They have told her family the investigation could take more than a year .