The black-and-white video, which shows a man in a white jacket, was initially released by police yesterday as they said two guns were used in the shooting that killed the schoolgirl at her home on Kingsheath Avenue in Knotty Ash, Liverpool last night. of August 22. Merseyside Police said today: “Please watch this and if you know anything please let us know. And if you don’t know something, share it. Until it reaches the person who knows something. Who knows who killed little Olivia. And he knows it’s time to do the right thing. ‘#SilenceIsNotAnOption.’ In a separate video shared on social media today, Olivia’s mum wrote: ‘Liv loved life and everything it had to offer. We are heartbroken. The force previously released CCTV footage of a balaclava-clad gunman fleeing the scene of the fatal shooting Merseyside Police said: “We need to find out who this man is as he was in the area when 9-year-old Olivia Pratt-Corbel was shot and killed in her home.” A post-mortem examination found the medical cause of death for Olivia (pictured) was a gunshot wound to the chest after the shooting at her home in Kingsheath Avenue, Knotty Ash, on Monday August 22. CCTV released by Merseyside Police shows the gunman running away from the scene where Olivia Pratt-Korbel was fatally shot Olivia Pratt-Korbel (pictured) was fatally shot last Monday, August 22, at her home in Kingsheath Avenue, Liverpool. Releasing the video of the gunman on Thursday, Detective Chief Inspector Mark Kamin said: “I’m going to show you video of the man who murdered little Olivia. I do this because people can recognize what she is wearing. “It may also help people remember seeing him in the area on the night of Olivia’s murder and be able to help us trace where he went after.” According to police, the video shows the gunman running along Finch Lane away from Kingsheath Avenue and then turning right onto Berryford Road, out of sight. “We know he climbs in and out of people’s gardens to avoid being seen,” she said. Detective Constable Kamin warned those ‘shielding’ the culprit that officers ‘will do everything legally possible to bring you to justice’. “It is beyond comprehension how anyone can protect a person who is responsible for killing a little nine-year-old girl,” he added. Olivia was shot in the chest after a balaclava-clad gunman chased his target into the innocent girl’s home in the Dovecot area of Liverpool last Monday night. The young woman’s death caused an outpouring of grief and shock in the Merseyside community, with many laying wreaths and leaving cards near Olivia’s family home and more than 200 mourners attending a vigil in her memory last night. Detective Constable Kamin said the CCTV was released in the hope it could jog the memories of people who saw the gunman in the area at the time of the incident. He said: “This is the man we are after – We need to know where he went that night or did you see him in the area? Remember this was just after 10pm on Monday 22nd August. “I know there will be people who will shield and help this man. If you are found to be doing this then we will do everything legally possible to bring you to justice.” He continued: “This man is toxic. He is toxic to our communities and if you protect him then he is toxic to you and your families. “I want you to place the faith you have in your families before any faith you have in this man. I want information about where he is now.’ Detective Constable Kamin also told reporters that police can “now confirm that two weapons were used during this attack.” Flowers, wreaths, cards and teddy bears have been placed near Olivia’s family home in Liverpool’s Dovecot area after the schoolgirl’s murder shocked the Merseyside community. He added: “I believe at the time that the gunman brought both of these weapons with him and that they were still with him when he violently left Olivia’s house. I want to know where those weapons are now.” “You may have been told to hide them or throw them away – I understand you may be afraid to contact us, but I want you to do the right thing for Olivia and tell us where they are right now. “If you hide the weapons and have no intention of telling us, then I put you in the same category as the vile man responsible for the murder. And we will chase you too. “I would reiterate that the actions of the person who carried out this cold-blooded attack defy belief in any way, shape or form and Olivia’s family needs to know that all those responsible for her murder have been caught and convicted. “So I ask you again – where are these weapons now?” Regarding the man believed to be near the fatal shooting, police previously said: “We need to find out who this man is as he was in the area when 9-year-old Olivia Pratt-Korbel was shot and killed alone. home to #Liverpool on 22nd August. “Do you know his name? You saw him? We believe she may have important information that could help us catch her killer.’ Olivia died after a gunman chased another man into the property and fatally wounded the innocent little girl, with a post-mortem finding her cause of death was a gunshot wound to the chest.’ Merseyside Police have released footage of a man in the area at the time of the shooting who they want to identify (pictured above) Detective Constable Kamin said police had also released footage of a man who was in the area at the time of the shooting and who they wanted to identify. He said: “I am interested in speaking to him as he may have information that is important to the investigation due to the fact that he was in the area at the right time.” Her mother, Cheryl Korbel, was also injured and is still being treated for her injuries, police said. A 36-year-old man from Huyton and a 33-year-old man from Dovecot were arrested on suspicion of murder and two counts of attempted murder in connection with Olivia’s death last week and have been released on bail.