The murders of a teenager and a young man just two streets apart within six days are not linked, detectives believe.
Police have been investigating the tragic killings of 20-year-old Michael Rainsford, and Kyle Whitley, who was 18.
A week ago, officers probing both tragedies were alive to the possibility the two high-profile crimes, which have rocked the community of Litherland, might be connected.
On the evening of 7 April, talented skateboarder Mr Rainsford was shot dead through a window as he was in his kitchen on Harrington Road. On Easter Monday, 13 April, Kyle Whitley was fatally stabbed in his chest on Vincent Road, a short walk away.
But as enquiries have progressed over the past eight days, police now think they are not related.
That stance is under constant review, however, it was added.
The day before Mr Whitley was murdered, a gun was fired at an empty primary school in Seaforth, neighbouring Litherland, on Easter Sunday.
Currently, police are neither linking the discharge at Rimrose Hope Church of England Primary School, on Sandy Road, to either of the murders.
Working theories were the shooting may have been someone test-firing a gun, or whether a stray bullet struck the building after being fired elsewhere.
Damage was found to a shutter above a door, but nobody was at the school due to it being over the holiday period.
On the bullets fired at the school, a Merseyside Police spokeswoman said: "The investigation is ongoing.
"No arrests have been made at this stage.
"We are progressing with CCTV enquiries, enquiries with local residents, forensic examinations and working with partners to develop community intelligence."
For the murder of Mr Rainsford, known as "Mikey" to friends and family, three people were arrested and then released on bail.
They are two boys, 17, from Kirkby and Netherton, and a 22-year-old man from Seaforth.
For Mr Whitley's murder, two boys, both 17, were arrested for his killing, and a man, 23.
The last officer to speak publicly about the deadly crime spree described the incidents as "senseless acts of violence."
Eight days ago, Superintendent Graeme Robson said: "Despite the restrictions we are having to live by, from a policing point-of-view we are still out across our communities doing everything we possibly can to keep people safe.
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"That will continue, that will not stop. We are as determined as ever to tackle this type of criminality.
"It doesn't get any more serious than people taking the lives of someone else.
"Whatever challenges we face through this period we are going to investigate these offences as thoroughly as ever and be as relentless as ever."
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