Jamie Starkey had promised to decorate his family Christmas tree with his little sister just seconds before he was shot dead.
The 21-year-old was targeted outside his Fazakerley home as he retrieved from his car presents bought for his family.
They have since spoken powerfully about the devastation caused by the December 2012 attack and their hopes for justice.
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Nine years later, no-one has been held accountable for his murder.
Speaking of the night of December 2, Jamie’s dad Richard Starkey previously told The ECHO the tragedy “ripped his whole family apart”.
In an emotional interview, in 2018, the dad said he cradled his son as he lay dying outside their home.
He said: "He loved the bones of his little sister and she kept asking him 'when are we putting up the Christmas tree?'
"He had been out earlier in the day with his mate shopping for Christmas presents and they were in his car outside.
"His mum was cooking him and his mate tea and he said to her 'we will put it up tomorrow when you get home from school'.
"He gave her a little kiss and a hug as he did and then went outside to his car to get the presents he had bought.
"Within seconds after that, he had been shot dead."
More recently, Richard told The ECHO how Jamie's seven-year-old sister rushed to the window and saw her brother lying on the floor following the attack.
He described his son as a "wonderful", "bubbly" and "quite loud" child who was protective of his family and close to his three brothers and one sister.
His desire to protect them was showcased when he shot a notorious drug dealer who a court heard had made their lives hell.
The family have previously said that despite that incident they do not believe Jamie was killed in revenge for that shooting and that there is another "viable suspect”.
But nine years on, the identity of what Merseyside Police believe was a lone gunman remains unknown.
Jamie Starkey was shot dead in December 2012.
Nine years later - nine Christmas’ on - and justice is yet to be achieved for Jamie.
But police believe it is still obtainable and that the fluid allegiances of the criminal world may mean that someone who has not yet come forward with information may now be willing to do so.
The Liverpool Echo has detailed what happened on the night, the impact it has had on those who knew him, and the latest on the investigation that detectives believe they could still solve with your help.
If that is you, you can contact Merseyside Police by calling 101, via Twitter (@MerPolCC) or you can share details anonymously with Crimestoppers on 0800 555 111 or online here.