Jill Dando’s murderer will only be caught if the gun which was used to kill her is found, according to the policeman who investigated the crime.
Hamish Campbell was the officer in charge after the Crimewatch host, 37, was shot 20 years ago this month.
He said: “What remains outstanding is the handgun.
“If that were to be discovered, and could be directly attributed to a person, and that person’s timeline determined for April 1999, then perhaps matters could progress.
“But after two decades, it becomes a remote possibility.
“The Dando investigation is clear on what evidence it has at a forensic level, and what the witnesses said they saw or heard or knew in 1999. They remain unchanged.”
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Jill was gunned down on her London doorstep on April 26, 1999.
Barry George, now 59, was jailed for the murder in 2001 but the conviction was quashed in 2008.
TV investigator Mark Williams-Thomas last year claimed he had been given the name of the killer.
But Mr Campbell said all “new leads” that crop up as years go by should be questioned.
“Especially when persons state the theories through the media or TV, and not the police,” he said.
