A Sydney killer serving a sentence of at least 33 years for the “horrific” sexual assault and murder of a 16-year-old boy has died in prison.
Aymen Terkmani, 31, was stabbed to death at Lithgow Correctional Centre in Marrangaroo just before 2.45pm on Wednesday, NSW Police said.
Paramedics treated Terkmani for a stab wound to his chest before he was airlifted to hospital.
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However he died on the way.
“The facility was locked down and a crime scene has been established,” NSW Police said in a statement.
Terkmani, was found guilty in 2017 of sexually assaulting and murdering Mahmoud Hrouk in May 2015 at an unoccupied Fairfield East home, The West previously reported.
In the NSW Supreme Court, Justice Lucy McCallum sentenced him to a maximum of 45 years in prison with a non-parole period of 33 years.
“The offender subjected the victim to the most brutal and horrific attack, inflicting injuries too numerous to list and too gruesome to describe,” McCallum said.
Terkmani declined to give evidence at his trial and never revealed any kind of motive.