A DEVASTATED mum has released the footage of the sickening moment her son was killed in a horrific one-punch attack.
Becky White slammed the "cowardly" thug who delivered the fatal blow to her son Dean Harry Skillin in Bangor, north Wales.
The 20-year-old was tragically killed after being hit from behind byBrandon Luke Sillence on September 19, 2020.
Shocking CCTV footage shows the moment Dean was floored by the vile Sillence, 25, while trying to defuse a row between his cousin and another man outside the Waverley Hotel pub.
A swarm of revellers can be seen seemingly arguing outside the boozer on Station Road before Sillence struck.
The distressing clip shows Dean falling to the floor after the brute ambushed him from behind on a night out.
His horrified pals can be seen rushing over to him as he lays limply on the street.
In a cruel twist of fate, the beloved son had been attempting to act as a peacemaker during a spat between cousin Taylor and another punter.
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A court heard Sillence, of Toronnen, Bangor, was a "boxing enthusiast" who landed a "forceful, swinging" punch from behind Dean.
He hit the young lad with such force that Dean effectively died before he hit the ground, jurors were told.
A post mortem revealed the blow had caused his skull to rotate "rapidly and violently" on the top of the spine.
Grief-stricken mum Becky has now released the harrowing video as her family step up their campaign for tougher sentences for one-punch killers.
They have launched a petition calling on the UK Government to sentence attackers in the same way as murderers.
It has so far garnered more than 17,000 signatures.
Becky told the Daily Post: "I wanted to put it out there that when my son was killed there was no fight or words exchanged between Dean and Brandon.
"You can clearly see by the video that the police have released, that
Brandon 'Coward' Sillence punched my son from behind.
"Dean couldn’t even see it coming, it killed him instantly because he
hit him that hard and forcefully," she said.
"What sort of coward hits someone from behind and leaves him on the floor, then walks away knowing the damage he had done?"
Dean couldn’t even see it coming, it killed him instantly because he hit him that hard and forcefully.
Tragic Dean was rushed to hospital where a CT showed he was suffering from a fractured skull and bleeding on the brain.
The 20-year-old then sadly died the next morning.
Sillence, 25,pleaded guilty to manslaughter but was cleared of murder after a trial at Caernarfon Crown Court.
The father also admitted assault causing actual bodily harm to Taylor Lock. He was jailed for 10 years in December 2021.
Becky continued: "How is this not an intentional act of violence to cause harm?
"To all that defended Brandon by saying it was a pub fight, shame on all of you. My son and nephew were attacked by this coward, Brandon.
"As the judge said, he was willing to punch his own shadow that night
which resulted in my son's death, and affected our family lives
forever."
Judge Geraint Walters described Sillence as 'aggressive, confrontational' and acting like 'the big I am' on the fateful night.
He said: "It was not a warning slap but a forceful punch by a man skilled in punching who knew the kind of damage that you were capable of, should you choose to inflict it."
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