Cowan was playing cards with other inmates in a common area of the prison around 10 p.m. 9.15 on Friday 5 August.
During a break in the game, Cowan went briefly to a training yard where he saw Adam Paul Davidson, then 31, standing outside the laundry door next to a hot water urn, filling a yellow mop bucket.
When Cowan returned to the card game, Davidson asked another prisoner to move the prisoners sitting near his target.
Davidson then quietly approached Cowan from behind with the bucket and poured the boiling water over Cowan’s head and body.
Cowan screamed in pain, pleading ‘why, why, why?’.
Davidson said he planned the attack for a month and planned to ‘scare the bloody grub for life’.
The killer was left with skin peeling from his scorched face, right shoulder, right arm and stomach.
A huge blister formed on his upper back and angry red raw skin was visible on his arms, stomach and legs.
A number of his tattoos were damaged by the burns. A large top-hatted skull on Cowan’s right arm was covered in burnt skin and growing yellow blisters.
When asked about the scalding, Davidson told police: ‘I didn’t want to kill him or anything, I just wanted to hurt him … just wanted him to feel the pain.’
“Feel the pain someone like Daniel Morcombe has felt.”
Authorities said the inmate who attacked Cowan last May used an ‘improvised device’ to assault him in a common area.
Officers said the situation was quickly brought under control and no employees were injured.
“(Cowan) was returned to the secure block shortly after treatment at the prison’s medical centre,” a spokesman said earlier.
No blood was taken.
Prisoners sparked a massive ruckus in the latest targeted attack on Brett Cowan using boiling hot jam, a toasted sandwich maker and sharpened broomsticks.
Inmates planned to throw heated spices and household items at the convicted murderer.
Cowan was in the training yard of a prison block when the riot started at Wolston Prison in Brisbane, The Courier Mail previously reported.
The riot was described at the time as the worst in the prison’s history by officers.
“He was in the practice yard when they started going, they all went outside,” the officers said.
‘It was a diversion. They didn’t reach him,’ a prison officer told the paper.
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