⁣Victoria's high country is one of the most spectacular, not to mention remote, parts of Australia. It's why Russell Hill loved it so much. In March last year, he and his companion Carol Clay set out on a camping trip there, but within hours of arriving, vanished. For 20 months, what happened to the couple was a mystery - but three weeks ago there was a breakthrough. On 60 MINUTES, detectives released details of a four wheel drive they were looking for. Since then more significant developments: Detectives have now seized the vehicle and on Thursday charged a 55-year-old airline pilot with murder.⁣Victoria's high country is one of the most spectacular, not to mention remote, parts of Australia. It's why Russell Hill loved it so much. In March last year, he and his companion Carol Clay set out on a camping trip there, but within hours of arriving, vanished. For 20 months, what happened to the couple was a mystery - but three weeks ago there was a breakthrough. On 60 MINUTES, detectives released details of a four wheel drive they were looking for. Since then more significant developments: Detectives have now seized the vehicle and on Thursday charged a 55-year-old airline pilot with murder.