Last week the nation was left shocked after Cambridge-educated Rurik Jutting was arrested for the murder of two prostitutes in his £2,000-a-month Hong Kong high-rise apartment on Halloween night.

The brutal murders came out of the blue – Jutting had a stable family and ordinary upbringing and held down a high-powered job, earning a six-figure salary.

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But last Saturday, police burst into Jutting’s flat – after he reportedly called them – to discover Jesse Lorena Ruri, 29, dying from knife wounds to her throat and buttock. A second victim, Sumarti Ningsih, 25, was found eight hours later, bound and stuffed in a suitcase.

As the gruesome details of the murders were splashed across the headlines, details of Jutting’s childhood emerged.

Growing up in a stable family in Chertsey, Surrey, Jutting went on to attend the elite Winchester College, an independent boys’ school in Hampshire, before studying history and law at Cambridge.

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Meanwhile, in the same week, baby-faced William Cornick, 16, was jailed for 20 years by Leeds Crown Court after being found guilty of the cold-blooded murder of his Spanish teacher, Ann Maguire, 61.

In April, he stabbed Ann in her classroom – something he’d reportedly been planning for three years, after forming a grudge against her for petty reasons, including not being allowed on a school trip. Chillingly, he’d taken a bottle of whisky into school on the day to celebrate afterwards.

Like Jutting, schoolboy Cornick came from a good family background with “decent and responsible parents."

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Criminologist Elizabeth Yardley tells Closer that Cornick and Jutting’s families shouldn’t blame themselves – as some people are born psychopaths.

She says: “Both schoolboy Will Cornick and banker Rurik Jutting appear to come from stable, respectable backgrounds, and are well-educated, but anyone can display psychopathic tendencies, regardless of upbringing. There is evidence that it could be something you are born with.

“Even if someone displays psychopathic traits, there are still no clear warning signs that they may go on to commit a violent crime – on the surface psychopaths can appear completely normal.”

**Read more in Closer magazine, out now. **