THE mum of murdered tot Olivia Pratt-Korbel has launched a heart-breaking appeal to find her daughter's killer - telling them "you know you have done wrong".
Olivia, nine, was gunned down in cold blood by a masked gunman at her home in Knotty Ash, Liverpool.
The shooter had chased another man into the family home before opening fire on August 22.
The bullet passed through Olivia's mum's wrist before striking the little girl in her body - fatally wounding her.
She was rushed to hospital but declared dead later that night.
But now broken mum Cheryl Korbel has launched a desperate appeal to find her daughter's murderer, who is still on the run.
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Launching the appeal with her hand wrapped in a bandage from the night she lost her daughter, Cheryl said: "She was amazing, she loved life. She was my little shadow. She went everywhere with me.
"She didn't like school because she had to do work but she loved it because she was with all her friends.
"Everyone that she met they all fell in love with her.
"She left a mark on everyone that she met and she may well have only been nine but she packed a lot in them nine years.
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"She never, ever stopped talking. And that is what I miss the most, because I can't hear her talk.
"I am hoping that they come forward so this doesn't happen to anybody else.
"You know you have done wrong so you need to own up like I have taught my kids. You do something wrong, you own up to it."
Crying through the pain, Cheryl demanded that anyone "hiding the guns" that killed Olivia needs to "speak up".
"Because they need to be off these streets, no one, no one at all, should have to go through this", Cheryl added.
In a tear-jerking recollection of the final days before her nine-year-old's life was cruelly ended, Cheryl said the pair had been enjoying the summer holidays.
They had recently been to Blackpool together and were planning further trips for the rest of the summer holidays.
And Olivia, only nine, was looking forward to going back to school in September.
"We were talking about going to get a new uniform for school, but I didn't get that chance to go and get a school uniform", she added.
And in a defiant message to her child's murderer, Cheryl vowed: "But I will keep going, for Liv."
ARRESTS
The thug, dressed in a balaclava and dark jacket, reportedly shot into the house four times.
Three men, aged 41, 34 and 29, have since been arrested on suspicion of murder.
Meanwhile a 34-year-old is also held on suspicion of attempted murder.
Cops suspect the crime to be drug related and the man who was being chased by the assassin had been convicted of drug dealing.
He was described by police as a "well-established organised crime group member".
Detective Chief Superintendent Mark Kameen said: “I continue to urge anyone who has information that can help our investigation into Olivia's tragic murder to please come forward.
"A number of people have been arrested in respect of this investigation.
"However, we still need the public’s help in ensuring that we can a build a strong evidential picture so justice is served for Olivia and her family."
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Anyone with information is advised to contact @MerPolCC on Twitter and anyone with dashcam, CCTV or smart doorbell footage of the crime can submit it at mipp.police.uk.
If witnesses wish to remain anonymous they can report any information to independent charity Crimestoppers on 0800 555 111.