COLD case detectives are still appealing for new information on the suspicious death of Ballajura resident Laura Muckersie after detectives set up a mobile police facility in Swan View last week.

Cold case investigation squad detectives visited Darling Ridge Shopping Centre last Wednesday, which was where Ms Muckersie was last seen alive in 2001.

She was seen there at about 8.45pm on July 31 and then seen making her last phone call at a telephone box on Fairfax Road at 9.24pm.

About two hours and 20 minutes after the phone call, a witness found Ms Muckersie’s handbag nearby the phone box.

Cold case investigator team’s detective First Class Constable Jayson Navarro, who visited the site of the last sighting, said it was key for investigators to establish what occurred in the missing window.

“That window is key to solving this investigation, finding out what happened and getting some closure for Laura and the community,” he said.

“We know Laura made a call to the police and said she was going to call the police.

“We want to know how Laura’s body came to be by a stormwater drain at Fairfax Park before it was located by two school students on July 31, 2001.

“We’re appealing for anyone to come forward who can help clarify what occurred between 9.24pm and 11.44pm on July 30, 2001.

“Obviously this (case) is over two decades old, so police are still committed and we’re committed to every open case until it’s solved and we won’t stop until we get some closure for the families.

“Police do believe that there’s someone out there with information that could help and that’s why we’ve offered a $1 million reward for information that will lead to the arrest and conviction of the persons responsible for the death of Laura.”

WA Police released a podcast on Ms Muckersie’s case on November 27 exploring the impact of Ms Muckersie’s death on her family.

First Const. Navarro said he hoped the podcast could help raise awareness surrounding cold cases and hopefully lead to them being solved.

“The podcast is a new investigative tool for WA police to bring to light some of the old investigations that haven’t yet been solved and hopefully get some closure for those families,” he said.

“Laura’s family obviously is still really affected by what happened, but they are still hopeful that someone will come forward and assist police with the investigation and help bring them some closure.”

Anyone with information regarding Ms Muckersie’s death should call Crime Stoppers on 1800 333 000.