In 2016, a mum of three and a wannabe serial killer became two of Australia's most calculated female murderers.
Dr Kari Pitts is a forensic chemist and trace evidence expert, who has worked on over 300 criminal cases, including homicides, violent assaults, arson, and fatal hit-and-runs.
In this episode, Kari explains how a dyed blue hair and some carpet helped convict Perth's female thrill kill pair. Kari also tells host Kathryn Fox about an initiative she pioneered with the WA Police, that has so far assisted in over 150 sexual assault investigations.
If you're in Australia, information and support for anyone affected by domestic, family, and sexual violence is available at 1800 RESPECT (1800 737 732). If you or someone you know is in crisis, contact Lifeline on 13 11 14. If you or someone you know is in immediate danger, call 000.
If you're outside of Australia, visit this link for a list of support services. See omnystudio.com/listener for privacy information.

FORENSICS: WA's female thrill killer duo

Crime Insiders, a LiSTNR Original Production, takes you beyond true crime. In groundbreaking interviews, explore the world of policing, forensics, and more through the stories of the world’s most experienced and decorated experts.

True crime

What happens when back up is three hours away, and you're faced with a violent and desperate situation? 
Mark Tregellas is one of Victoria's most experienced regional police officers. He's spent decades tackling violent and intense criminal situations, ones that are unique to that of Australia's wild and often unpredictable regional areas. 
Join host Brent Sanders as Mark walks him through two cases that stand out to him from his time in the force. 
This content contains references to men's violence against women. Help is always available, dial 1800 RESPECT on 1800 737 732. If this content affected you, the number for Life Line is 13 11 14.  See omnystudio.com/listener for privacy information.

DETECTIVES: The Mallacoota Stand Off

Semen is the crack cocaine of the fly world, and while maggots love a corpse, flies feast on live human flesh and fluids. So, could a fly frame you for murder? And how do police differentiate fly 'artifacts' from human biological material at a crime scene?
These are all things forensic biologist, Dr Annalisa Durdle has studied. Join host Kathryn Fox as Annalisa redefines what it means to be a 'fly on the wall'. 
If you or someone you know is experiencing, or at risk of experiencing, domestic, family or sexual violence, call 1800RESPECT on 1800 737 732, text 0458 737 732 or visit 1800RESPECT.org.au for online chat and video call services. See omnystudio.com/listener for privacy information.

FORENSICS: Semen, drunk flies, and crime scenes

The AFP and customs intercept hundreds of tonnes of narcotics every year. But, the techniques of criminals and smugglers are becoming more complex, and unfortunately, more effective. 
Nigel Phair is a former Australian Federal Police Officer who took on a range of high profile drug importation cases. This saw him intercepting large quantities of drugs, investigating its origin and surveilling its eventual destination in Australia. 
Understand this work and hear Nigel walk host Brent Sanders through how the police undertake these investigations and how things have changed over the years. 
If this content affected you, the number for LifeLine is 13 11 14.  See omnystudio.com/listener for privacy information.

DETECTIVES: How Drugs Are Smuggled into Australia

It took 37 years, a failed murder trial, and an Australian mathematician to finally prosecute one of Scotland's most infamous serial killers. 
Professor David Balding is a pioneer in the field of mathematical computational genetics. Join host Kathryn Fox and hear how using things like probability, David can calculate the likelihood of DNA belonging to offenders, victims and crime scenes. 
If you or someone you know is experiencing, or at risk of experiencing, domestic, family or sexual violence, call 1800RESPECT on 1800 737 732, text 0458 737 732 or visit 1800RESPECT.org.au for online chat and video call services. See omnystudio.com/listener for privacy information.

FORENSICS: The World's End Murders

The gangs of New Zealand are like nothing else, and as an undercover cop, you're forced to prove yourself, demonstrate you're a criminal and show you're capable of committing violent and often deadly crimes. 
That was the life of undercover operative Mark Van Lee Warden, who spent years as a covert officer deep inside the underworld of the New Zealand ganglands. He was required to tackle some of the country's most powerful underworld figures, including the infamous convicted murderer Ricki Goodin. Mark sat down with host Brent Sanders to explain how he became an undercover cop, and the impact it had on him in his professional and personal life. 
To hear more about Mark's time in the force, his book is available here. 
Mark's work post policing at Warden Consulting. 
This episode features references to mens violence against women, if this content affects you, help is available via LifeLine on 13 11 14, or, dial 1800 RESPECT on 1800 737 732.  See omnystudio.com/listener for privacy information.

FORENSICS: WA's female thrill killer duo

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