A grieving mum wants people to watch the moment her son was stabbed to death in a bid to stop it happening to others.
Azaan Kaleem was killed by a group of strangers in the horrific incident which lasted just 22 seconds.
Known as AJ, he was walking down the street with his girlfriend when four men attacked him - reports Essex Live.
The group are understood to have "hunted him down like a pack of animals" in retaliation following a disagreement.
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AJ was stabbed in the heart and struck up to 20 times in the attack in Luton, in April last year.
He died in hospital, on April 24, three days after the savage attack.
The footage of the horrific attack was shown on BBC1's Stabbed: Britain's Knife Crime Crisis, on Friday night, with the backing of AJ's mum Roseann.
In the footage AJ, can be seen walking down the street, wearing a grey Puffa jacket.
He shows no resistance or aggression as he is first knifed in the heart and is then hit up to 20 times before sinking to the floor.
Returning to the scene of his murder, brave mum Roseann recalls the dreadful night: "It was mayhem. There was police everywhere.
"There was a helicopter flying and I could just see people around him.
"The helicopter paramedics came down and they just kept working on him and working on him. I didn't know if it was serious, not serious. Nobody would tell me anything.
"I went to see him as they wheeled him into theatre and he was grey and he was cold and he was wet and I kissed him, told him I loved him.
"Told him I would see him soon and the next time I saw him was in intensive care. He was brain dead."
Roseann was told to "round everyone up to say goodbye".
She said: "What should have been a private moment, there was no control.
"There was no...what a mother should normally do.
"Even switching off his machine was witnessed by the police.
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"People could hear outside the curtains. It was just...there was no dignity.
"No mum should have to stroke their child's head and kiss them goodbye and wait for their heartbeat to stop.
"It should never happen and this is why I want to share what I'm sharing because it should never of happened."
Police were able to track down and charge AJ's killers quickly because of the CCTV, reports Essex Live.
Two men aged 18 and 19, who can't be named, were given life sentences after being convicted of murder.
Harrison Searle, 18, was also convicted of murder and sentenced to 16 years in jail.
Reece Bliss-McGrath, 20, was found guilty of manslaughter and sentenced to 11 years.
Roseann is fundraising for the Luton and Dunstable Hospital Charitable fund. You can donate here
