Aberdeen oil worker murder trial hears from forensic expert

Three people have been found guilty of the killing of Steven Donaldson.
Three people have been found guilty of the killing of Steven Donaldson.

A jury has heard a man accused of murder could have been within “one to two metres” of an Aberdeen oil worker for spots of his blood to transfer to a T-shirt he was wearing.

Callum Davidson, Steven Dickie and Tasmin Glass, all from the Kirriemuir area, deny murdering Steven Donaldson.

The High Court in Edinburgh heard evidence from forensic scientist Sarah Milne, of the Scottish Police Authority.

She was cross-examined on the report she compiled at Kinnordy Loch car park, where Mr Donaldson was found in the early hours of June 7 last year.

Questioned by Ian Duguid QC, counsel for Dickie, she was asked about the likely proximity of Davidson to Mr Donaldson for blood to transfer to him.

She said blood spots were measured to determine how close a person was to a force of dispersal, and in terms of the size of spotting in this case, she would estimate one to two metres from the source.


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Mr Duguid also asked the witness about forensic tests carried out on his client’s Suzuki motorcycle, his bike leathers, crash helmet and gloves.

She confirmed that no trace of Mr Donaldson’s DNA was found on any of those items.

Advocate Jonathan Crowe, for Davidson, put it to the witness that if Dickie had taken a shower then any DNA traces would have been removed and Ms Milne agreed that was the case.

The trial continues.

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