Four Corners has obtained a series of chilling videos showing the methods used on at-risk children in youth detention in the Northern Territory.

WARNING: This story contains graphic images.





March 4, 2015

Loading...

Dylan Voller is hooded and strapped into a mechanical restraint chair in March 2015 for almost two hours.

Earlier, the video — recorded by guards on duty — showed Voller had chewed on his mattress and threatened to break his own hand after he was put in the restraint chair.

The use of mechanical restraints was legalised in the Northern Territory in 2016.

October 4, 2011

Loading...

Fourteen-year-old Dylan Voller is being held in isolation after threatening self harm.

Three officers enter the room, grab him by the neck, strip him naked and leave him on the floor. The removal of his clothing is part of the centre's "at risk" procedure.

April 7, 2011

Loading...

Thirteen-year-old Voller is on the phone. When he refuses to hand it over, a guard rips the phone off him, knees him and knocks him to the ground.

The officer involved was found not guilty in court.

His casual contract was not renewed but a 2015 report found he was later re-employed at the Alice Springs Youth Detention Centre despite objections from the Professional Standards Command.

December 9, 2010

Loading...

Thirteen-year-old Voller is being held in isolation again after threatening to self harm.

He is seen playing with a pack of cards before he is grabbed by the neck, thrown onto a mattress and forcefully stripped naked.

The officer involved was twice found not guilty of aggravated assault.

October 20, 2010

Loading...

Thirteen-year-old Voller is held up by his neck and thrown into a cell in the behavioural management unit at Don Dale Youth Detention Centre.

The officer involved was charged but found not guilty of assault. The casual officer's contract was not renewed.

August 21, 2014

Loading...

Voller was also one of six children are tear gassed in the Don Dale Youth Detention Centre.

They were held in isolation in the Behaviour Management Unit for between six and 17 days before the incident.

August 22, 2014

Loading...

After the boys were teargassed, 14 year old Jake Roper, who got out of his cell, was illegally taken to the adult prison. The next day, he is hooded, handcuffed and returned to Don Dale.