Son of missing GP appeals to doctors for clues to disappearance

GP Dr Nathalie Casal was diagnosed with a ‘serious illness' before she went missing, her family has learnt.
Dr Nathalie Casal.

A GP’s son has appealed to doctors for help solving the mystery of his mother’s disappearance, after the family discovered she was diagnosed with a serious illness before she vanished. 

Dr Nathalie Casal was last seen alive at her outer Perth home on 6 December, where she said she planned to hike the 1000km Bibbulmun Track in WA with an organised group.