Killer filmed sex worker’s body after stabbing her during ‘girlfriend experience’

A young man who butchered a woman he’d paid for a “girlfriend experience” session sent a video of himself standing over her corpse to a friend, along with the words: “I was laughing bro.”

Mert Ney, 22, murdered Michaela Dunn, 24, on August 13 last year before going on a knife rampage through central Sydney.

He’d made a $250 (£136) booking with the sex worker at her Clarence St apartment and turned up armed with at least one knife.

He stabbed her multiple times in a vicious attack, cutting her throat “deep enough to reach the spinal cord”, harrowing court documents have revealed.



Killer filmed sex worker's body after stabbing her during 'girlfriend experience'
Michaela Dunn, 24, was stabbed to death by a client in her Sydney apartment

The documents have only just been released following Ney’s admission of murder at Central Local Court.

He also pleaded guilty to wounding Linda Bo with intent to cause grievous bodily harm, who he stabbed in the shoulder as he ran through the streets.

After killing Ms Dunn he filmed her lifeless body and sent the clip to a friend.

“I’m fucking psycho,” he wrote in a message. “I was laughing bro. The fear.”

Ney’s friend wrote back “C*** what the f***”, to which the knifeman replied “Yeah I’m f***ing psycho.”



Killer filmed sex worker's body after stabbing her during 'girlfriend experience'
Ms Dunn’s killer filmed her lifeless body after the horror attack

As he left the scene via the building’s fire escape he told his friend to “call cops right now”.

He proceeded to terrorise Sydney pedestrians by running around brandishing a bloodied 20cm knife and shouting “Allahu Akbar”, at one point jumping on the roof of a car.

He was eventually subdued and arrested after a group of civilians managed to pin him to the ground using a milk crate.

By the time Ney was interviewed by police that day he seemed to have no memory of even meeting, much less killing, Ms Dunn.



Ney was pinned to the ground by civilians using a chair and a milk crate
Ney was pinned to the ground by civilians using a chair and a milk crate

He’d taken both Valium and cannabis before the attack, and told officers he had hoped to be shot dead “but the good Samaritans spoiled it”.

In the weeks preceding the rampage Ney had assaulted his own sister and begun living in crisis accommodation, from which he escaped.

Police found a USB in his belongings that contained recordings titled “fear is an emotion”, “rampage killings in Australia rules plus suspected attacks”, “skitz bitch” and “Christchurch mosque shooting full video”.

In court Ney also pleaded guilty to a separate charge of common assault against his sister and cannabis possession.



Killer filmed sex worker's body after stabbing her during 'girlfriend experience'
Ney will be sentenced for Ms Dunn’s murder and other charges at a later date

Prosecutors withdrew six additional charges, including attempted murder, wounding with intent to murder, being armed with intent to commit an indictable offence, and possessing child abuse material.

His lawyer Zemarai Khatiz said his client was “very sorry” and that it would be argued upon sentencing that his mental health was a “significant contributing factor” to the attacks.

Ney will next appear in the Supreme Court on December 11.

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