The brothers had wanted to kidnap the glamorous wife of media tycoon Rupert Murdoch – hoping to hold her for a £1m ransom. Instead, they snatched the wife of a fellow-Australian newspaper executive, hoping for a lucrative pay-off. It was an ordeal she would not survive…

“Local rumour was, in two other cases, that the victim was fed to the pigs. There is a similar rumour around this case. But there was, in the two earlier cases, forensic evidence: no body, but forensic evidence. The point here is that there is no evidence of Mrs. McKay being fed to the pigs.

“Although the probability is that Mrs. McKay is dead, she may not have been murdered. She was a nervous woman and subject to a course of treatment which would put everyone under the greatest strain. How she met her death, we don’t know…”