Page last updated at 16:13 GMT, Wednesday, 24 November 2004

Voice 'matched to police killer'

Pc Ian Broadhurst
Pc Ian Broadhurst was shot and killed on Boxing Day

A man known as Nathan Coleman was responsible for the murder of a Leeds police officer and the shooting of two of his colleagues, a court has heard.

Voice analysis of the man in a police car who later allegedly shot Pc Ian Broadhurst matched that of Coleman, Newcastle Crown Court was told.

The prosecution allege that Nathan Coleman was an alias for the defendant David Bieber of Springwood Road, Leeds.

Mr Bieber denies one charge of murder and two of attempted murder.

I would consider the likelihood of the voices coming from two different people to be remote
Dr John French

On Wednesday the jury heard taped conversations made by the defendant on a mobile phone to two telephone betting lines in the months before the fatal shooting on 26 December 2003.

Last week the jury heard a recording of the final moments of Pc Broadhurst's life where he was heard pleading for his life before he was shot.

Dr John French was asked to analyse the two conversations in which the defendant placed bets on a match in the French Open tennis championship and a US NBA basketball game.

Same accent

He was then asked to compare them to the recording of the shootings in Dib Lane.

Dr French said the man known as Nathan Wayne Coleman spoke with an accent closely associated with the southern US states but also included elements of a Yorkshire dialect.

The man sitting in the back of a patrol car had the same accent, Dr French said.

He added: "I came to the view that there were very strong similarities and no differences of a kind that could cause me to eliminate him (Coleman)."

When asked if the voices could have come from two different people Dr French replied: "I would consider the likelihood of the voices coming from two different people to be remote."

He added: "This is one of the most clear-cut cases I have ever worked in."

Finger impressions

Later, West Yorkshire Police fingerprint expert John Dixon told the jury he compared fingerprints taken by his force of the detained Nathan Wayne Coleman with those of David Francis Bieber, which were supplied by a US sheriff's department.

"The finger impressions on all the sets of fingerprint forms were made by the same person," he said.

Pc Broadhurst, 34, was killed and his colleague Pc Neil Roper, 45, seriously injured in the shooting in Leeds on Boxing Day 2003.

A third officer, Pc James Banks, 27, escaped injury after a bullet struck his radio.

The defendant also denies possessing a firearm with intent to endanger life and possessing 200 9mm bullet pistol cartridges.

He has admitted possessing 298 9mm bullet cartridges without a firearms certificate.

The trial continues.

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