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Claremont killer trial LIVE: ChemCentre expert details clues found in accused’s old work car 20 years after murders

It will resume at 10am tomorrow.

Mr Powell has so far gone through 94 of the 98 critical fibres in this trial. His evidence-in-chief is expected to end tomorrow.

The driver's seat from Bradley Edwards' former work car being examined by ChemCentre staff.

The driver’s seat from Bradley Edwards’ former work car being examined by ChemCentre staff.

Mr Powell has completed going through the 61 critical fibres recovered from Ciara’s hair and T-shirt.

The final fibre was a blue polyester fibre found in Ciara’s hair clipping, known as RH17, which was recovered in 2018.

The fibre was found to be similar but slightly thicker to fibres from Ciara’s T-shirt and three fibres found in Mr Edwards’ former work car. It was found, however, to match a control fibre from the Telstra trousers.

The car fibres were also found to match the Telstra trousers.

Previously, Mr Powell has explained the vertical and horizontal threads in the Telstra trouser fabric differ slightly in thickness.

Mr Powell has now moved onto the 13 critical fibres found in Mr Edwards’ former work vehicle – which was seized from its current owner and searched in 2017, some 20 years after the murders.

The search recovered nine blue polyester fibres from the metal bracket of the driver’s seat.

The fibres were deemed to belong to the common fibre group known as ‘blue polyester 4′, which is also linked to Ciara and Jane’s murders and Mr Edwards’ rape victim – and allegedly originate from Telstra trousers.

Prior to WA Police being handed an old pair of Telstra pants from the 1990s – the fibres from the car were compared to blue polyester fibres found on Ciara’s T-shirt and in her hair.

Many were found to differ due to differences in thickness and/or darkness.

The fibres, however, were later compared to a warp (vertical) fibre from the Telstra pants in 2019 and found to match.

So while not all matched when directly compared to each other, the blue polyester fibres from the car and from Ciara were all deemed to have come from the same source – the Telstra trousers.

Mr Powell said the original conclusion that some of the car fibres didn’t correspond with the fibres from Ciara’s T-shirt and hair were made before the alleged source – the Telstra trousers – was known and the natural dye variance and thickness of the vertical and horizontal fibres was properly understood.

Three of the car blue polyester fibres were also compared to blue polyester fibres recovered from Mr Edwards’ rape victim’s shorts, prior to the Telstra trousers being found, and one was deemed to match, the other two were considered to differ in thickness.

One was compared to a blue polyester fibre found in Jane’s hair and deemed to match.

It will resume at 2.15pm.

Jane Rimmer

Jane Rimmer

Mr Powell has resumed going through the final five blue polyester fibres found on Ciara’s T-shirt in 2012.

The fibres were found to match each other in 2012, and when tested later in 2019 to fibres from a pair of Telstra trousers from the 1990s, also found to match.

One of the fibres was also compared to a blue polyester fibre recovered from Jane’s hair, and was found to correspond in all properties except the dye – which had “minimal variance”, Mr Powell said.

Mr Powell has now moved onto the two blue polyester fibres recovered from a lock of Ciara’s hair known as RH17 which was cut out at the scene where her body was found on April 3, 1997 by forensic pathologist Karin Margolius and placed in a yellow top container.

The container was not opened for 21 years, before it was eventually examined by the ChemCentre until December 2018 – when 55 fibres were recovered from the sample – two considered relevant to this trial.

Mr Powell has gone through the first blue polyester fibre – saying when compared to a blue polyester fibre from Ciara’s T-shirt, it was found to be similar. It was also compared to fibres from the Telstra trousers and debris found in Mr Edwards’ car and found to match.

It will resume at 11.50am.

Mr Powell has resumed going through the 11 blue polyester fibres recovered from Ciara’s T-shirt in 2012.

The fibres were recovered from petri dish scrapings of the T-shirt, made by the FBI in 1999.

When compared in 2019, the fibres were found to match a pair of Telstra trousers from the mid-90s handed into police by a member of the public following Mr Edwards’ arrest.

Mr Powell has gone through the first five blue polyester fibres found in one of the two FBI petri dishes one-by-one – saying each matched the fibres from the Telstra trousers, as well as blue polyester fibres found in Mr Edwards’ former work car.

He is now going through the second petri dish – saying around 200 fibres were recovered from the dish – six of those being blue polyester fibres.

So far, he has said one of those fibres also matched fibres recovered from the Telstra trousers and Mr Edwards’ former work car.

A blue polyester fibre recovered from Ciara Glennon's hair compared to a fibre from a pair of Telstra trousers.

A blue polyester fibre recovered from Ciara Glennon’s hair compared to a fibre from a pair of Telstra trousers.

ChemCentre fibre analyst Rees Powell

ChemCentre fibre analyst Rees Powell

Welcome to WAtoday’s live coverage of day 77 of the Claremont serial killer trial in the Supreme Court of Western Australia.

Today, ChemCentre fibres expert Rees Powell will continue to give evidence for a seventh day.

He is expected to move onto the 13 critical fibres found in Bradley Edwards’ old work vehicle after it was seized from its new owner in late 2016 – some 20 years after the murders.

Mr Edwards has pleaded not guilty to the murders of Sarah Spiers, Jane Rimmer and Ciara Glennon.

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