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Scientist located two areas of blood staining in room used by man accused of killing Grace Millane

An ESR scientist giving evidence in the Grace Millane trial says she located two areas of blood staining on the carpet in the Auckland CityLife hotel room used by the man accused of killing her.

A 27-year-old Auckland man is accused of murdering the British backpacker in early December last year in that room.

He denies the charge, and his identity can't be revealed.

Dianne Crenfeldt from the Institute of Environmental Science and Research told the jury that in her opinion it appeared there had been an attempt at a “clean-up” on the carpet.

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Jurors were told about intimate photos found on the murder accused’s phone. Source: 1 NEWS

While there was no visible sign of blood on the top layer of the carpet, there was evidence of blood on the underside of the carpet, both sides of the underlay and the concrete floor below.

She says the staining came from a round object, most likely a bucket.

Ms Crenfeldt says she was unable to extract a DNA profile from the blood residue as it wasn’t a good enough sample.

However, DNA profile obtained from bloodstains on the fridge found that it was "five hundred thousand million times" more likely to come from Ms Millane than any other random person in the NZ population

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Dianne Crenfeldt told the High Court in Auckland that in her opinion, there had been a “clean-up” in the room. Source: 1 NEWS

A forensic toxicologist has told the jury that at post mortem, the level of alcohol in Ms Millane's blood taken was twice the legal driving limit.

However, Ms Kappatos says decomposition can both increase and decrease the concentration of blood alcohol levels from the point of death.

Therefore, she could not determine the level of alcohol in her blood at the time of death.

The trial has adjourned for the week. 

The trial continues. 

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Yesterday, the jury saw extensive CCTV footage of Grace and the man now accused of her murder on their Tinder date. Source: 1 NEWS