Analysis of hundreds of pages of police files and court papers show that the evidence is among three sets of 'priority marks' that remain unidentified 26 years after Jill's murder

Unidentified fingerprints found on Jill Dando's door and a mystery foot mark are among the forensic clues that could crack the case, the Mirror can reveal.

They are stored in 223 boxes of evidence held in a Met Police warehouse, each containing around 1,000 pages of documents, photographs and exhibits. It comes after the Metropolitan Police said they are examining our investigation linking Serbian assassin Milorad Ulemek to the April 1999 murder.

Detectives are looking into a newly unearthed picture of the double-killer wearing an unusual tie that appears to match one worn by a man caught on CCTV aft

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