Jabar was the sister of 15-year-old Farhad Jabar, who shot NSW police accountant Curtis Cheng outside Parramatta police HQ last year. They said she had become unrecognisable from the young girl pictured in the yearbook two years ago and fled to Syria last year with her Sudanese husband to help recruit IS fighters.

She had dreamt of working in the health system.

Meanwhile, terrorist Khaled Sharrouf is alive and being held by Islamic State, The Australian revealed today.

A family member has told the authorities here that Sharrouf, who fled to Syria from Australia using his brother’s passport in 2013, was imprisoned by the terror group this year.

Sharrouf caused worldwide outrage when one of his sons was photographed holding the severed head of a Syrian soldier. He was suspected of dying alongside his friend, Mohamed Elomar, in a drone strike on the Syrian city of Raqqa in June last year.

But while authorities were able to confirm Elomar’s death, Sharrouf’s body was never found.

The Australian reports the Australian Federal Police, along with the NSW Joint Counter Terrorism Team are investigating claims made by Sharrouf’s mother-in-law Karen Nettleton that he has been captured by the terror group he once served.

Ms Nettleton’s lawyer, Charles Waterstreet, would not confirm his client’s claims toThe Australian.

Federal Attorney-General George Brandis confirmed to The Australian the government was aware of the reports Sharrouf had been locked up by IS. But Mr Brandis said they had not been able to verify it.