It will resume at 10am tomorrow.
So far, Mr Powell has gone through 73 or the state’s 98 critical fibres.
Mr Powell has moved onto the examination of the T-shirt Ciara was wearing at the time of her death.
Mr Powell said 11 blue polyester fibres were recovered from a petri dish with scrapings from the garment by ChemCentre scientists in 2012.
The petri dish was originally made by the FBI in 1999.
Mr Powell is now going through each of the 11 fibres, one-by-one.
He said the first fibre was compared to fibres from a pair of Telstra trousers and a fibre found in Mr Edwards’ former work car in 2019 and found to match.
Mr Powell has now moved onto another of Ciara’s hair exhibits, known as K1 – which is a petri dish which contained strands of Ciara’s hair that was sent to the FBI in 1999 for analysis.
Mr Powell said the petri dish was handed to the ChemCentre in November 2012 and an examination recovered two fibres – one of those being a critical blue polyester fibre.
The fibre was compared to blue polyester fibres from Ciara’s T-shirt, a pair of Telstra trousers from the mid-90s, Mr Edwards’ former work car, and a fibre from the shorts of Mr Edwards’ rape victim – and found to correspond.
It was one of the earliest instances where an alleged forensic link was made between Ciara’s murder and the then unsolved Karrakatta cemetery rape case.
Mr Powell has now moved onto explaining the five blue polyester fibres found in the billy bucket that once held Ciara’s hair mass.
Ciara’s hair mass, known as AJM54, was placed inside the sealed bucket in the days after her post-mortem in 1997 and stored in the mortuary freezer.
Most of the hair mass was then removed in 2003, renamed VW1, and sent to the AFP for analysis.
A portion of the hair mass remained in the bucket along with a section of paper bag.
The bucket was handed to the ChemCentre in October 2018 after it was found in the back of a state mortuary ‘brain room’ freezer.
The hair mass was divided into two sections and searched, as was the portion of paper bag.
Mr Powell said the five blue polyester fibres were recovered from one of the portions of hair.
They were compared to a reference blue polyester fibre found on Ciara’s T-shirt (in 2018) and blue polyester fibres from a pair of Telstra trousers from the mid-90s (in 2019) and found to match.
One was also compared to a blue polyester fibre found on the shorts of Mr Edwards’ rape victim and found to match.
Another was compared to a blue polyester fibre recovered from the floor of Mr Edwards’ former work car – and found to be similar, although the car fibre was slightly thicker.
Mr Powell has resumed giving evidence.
He has completed his evidence in relation to the 41 fibres found in Ciara’s main hair exhibit, known as VW1.
He has now moved onto the next exhibit, known as VW1A, which is a sub-sample taken from VW1 which was sent to the Australian Federal Police for special fibre analysis in 2003 and returned to WA Police in 2005.
Mr Powell said the ChemCentre received the item for further analysis in September 2018 and it was searched for micro-fibres over the course of two days between 29 October and 30 October 2018.
He said 42 fibres were recovered from the exhibit, one being critical to this trial – a grey polyester fibre which the state alleges matches the seat insert fabric of Mr Edwards’ former work car.
The fibre is allegedly part of a grouping called ‘grey polyester 1’ which is also linked to Jane’s case.
Mr Powell said the fibre was compared to three control fibres from Mr Edwards’ former work car and found to match.
Mr Powell said the fibre was then compared to one of 20 grey polyester fibres recovered from Jane’s hair and considered to match.
It will resume at 2.15pm.
It will resume at 12.15pm.
Mr Powell has moved onto going through the eight carpet fibres found in Ciara’s hair which allegedly came from Mr Edwards’ former work car.
Seven are light grey polypropylene fibres that allegedly match the main cabin carpet fibres from Mr Edwards’ 1996 Holden Commodore VS Series 1 station wagon, which he drove in 1997 when Ciara was murdered.
The fibres were found during an examination of Ciara’s hair mass (VW1) in 2018 – two years after Mr Edwards’ arrest and the seizure of his former work car from its new owner.
Mr Powell has gone through the seven light grey polypropylene fibres and said when each was compared to control fibres taken from the carpet in the main cabin area of Mr Edwards’ former car, they were found to match.
One was also compared to control fibres taken from a number of non-Macro related vehicles that were in the ChemCentre fibres database.
It was compared to carpet fibres from three other 1996 Holden Commodore VS Series vehicles, one 1995 Holden Commodore VS Series model and a 1995 Toyota Lexcen (a rebadged Holden Commodore VS Series) – all the models had a trim known as 25i. The fibres were found to match.
The fibre from Ciara’s hair was also compared to carpet fibres from two 1994 Ford Falcons, a 1995 Ford Falcon and a 1995 Toyota Camry and although some properties were considered similar, none were thought to match.
Mr Powell said the comparisons were made to show the possibility the fibres found in Ciara’s hair could have come from another vehicle than what the state suggests, however he believed the testing showed it was “less convincing than any of the Holden Commodores we’ve examined”.
He said the fibres from the selected vehicles were the closest matches to the fibres from Ciara’s hair, when the ChemCentre database was searched, aside from the Holden Commodore.
Welcome to WAtoday’s live coverage of day 76 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 sixth day.
The scientist is going through the 98 critical fibres that relate to this trial, and explaining one-by-one when and where they were found, and how they compare to fibres found at other scenes including accused man Bradley Edwards’ former work car, and a pair of Telstra trousers from the mid-90s.
He has so far gone through 57 of the fibres, and is up to the eight 1996 Holden Commodore VS Series 1 station wagon carpet fibres allegedly found in Ciara’s hair.
Mr Edwards has pleaded not guilty to the murders of Sarah Spiers, Jane Rimmer and Ciara Glennon.