Frightening CCTV footage captured the tea time incident on Stanley Road when a shotgun was fired at close range in the leg of a young man.
The incident, which occurred on the evening of January 31, 2012, remains unresolved.
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The victim’s knee was broken and had to be reconstructed by surgeons.
Residents told ECHO the gunman responsible for the shooting was still at large.
A local man who asked not to be named said: “The shooter is still there. The victim recovered but he remained limping. “
The 20-year-old was confronted in the Stanley Road off-license at around 7pm by two masked assailants who asked him, “Are you Chris?
The men left, but returned moments later with a shotgun. The shooter approached the victim, held the gun against his leg and pulled the trigger.
Some of the footage was too disturbing to publish, and there were heartbreaking scenes inside the store after the man was shot and the room filled with smoke.
The victim’s friend grabbed him and pulled him through a trap door on the other side of the counter in an attempt to get to safety.
The weapon used was a 12-gauge single-barrel shotgun, called a “shottie” by many young gang members.
A police spokesperson said the force arrested three men after the shooting but no charges were laid.
A spokesperson said: “Anyone with information about the incident should call the police on 101 or Crimestoppers anonymously on 0800 555 111.”
Stanley Road has been ravaged by crime in recent months.
Last month another shootout on Stanley Road was filmed after a gunman was seen opening fire on a car.
Two men, one in their thirties and the other in their twenties, were shot in the hands and legs during a car trip by gunshot on September 8.
Images released by ECHO show an armed man riding a bicycle before jumping and shooting a car.
Three passengers in the car jump and run away as shots are fired at them.
After the passengers escape on foot, the driver of the car walks away from the scene.
Two men with gunshot wounds showed up at Royal Liverpool University Hospital in the early hours of Wednesday, September 8, but have since failed to cooperate with police investigations.
In another incident, the body of a man was found in an alley between the houses on Woodbine Street and Harebell Street, both located off Stanley Road.
James Richards, 33, was discovered by a member of the public on September 22.
Four people were questioned in connection with the murder investigation, but no one was charged.
In July, Liverpool Council and Merseyside Police announced they were designating additional resources for Flower Streets, the name given to a series of residential streets off Stanley Road, which have been ravaged by crime and antisocial behavior in recent years.
This came with the launch of a project called Safer Streets which takes a two-pronged approach to improving an area.