Two cousins, both wives to the same man, found dead under mysterious circumstances. Was this the world's unluckiest husband, or a serial wife killer?

Former detective Peter Seymour has dedicated over two decades of his life to the people of Western Sydney, serving in the NSW Police as both a detective and police prosecutor.

In this episode, Brent Sanders talks to Peter about the shockingly bizarre investigation of Thomas Keir, and the life-altering case that pushed Peter to his limits, prompting him to make a critical decision that changed the course of his career.

This episode contains descriptions of domestic violence, sexual assault, and stalking. Contact 1800 RESPECT on 1800 737 732 for more information and confidential support. There are also references to pregnancy loss. Contact Red Nose Grief and Loss on 1300 308 307 for support for miscarriage, stillbirth, and newborn death. If you or someone you know is in crisis, contact Lifeline on 13 11 14.

See omnystudio.com/listener for privacy information.

The 1994 bombing of the Adelaide National Crime Authority sent shockwaves across Australia. It was a brutal act that killed a police officer and seriously injured others, sparking one of the most daring undercover operations in our history.

But this police sting had an unusual weapon - forensics.

With red phosphorus linking the bombs and a drug manufacturing business run by a key suspect, and forensic experts involved in the operation, this was a rare moment where science went on the offensive.

In this episode, we’re joined by Colin McLaren, the cop who infiltrated the Australian Mafia, lived a double life, and brought down a group of organised crime kingpins from the inside.

This episode contains graphic descriptions of violent crime. If you or anyone you know needs assistance, contact Lifeline on 13 11 14.

See omnystudio.com/listener for privacy information.

23-year-old Celeste Manno had her life brutally taken from her by a man who had relentlessly stalked her, despite Celeste going to great lengths to protect herself legally. Her killer only received a 36-year sentence. A punishment Celeste's family and many others believe is not nearly severe enough given the gravity of his crimes.

Visit justiceforceleste.com to learn more about Celeste's story and how you can support her family's fight for justice.

This episode references violent crime and men's violence against women. If you or anyone you know needs assistance, contact 1800 RESPECT on 1800 737 732.

See omnystudio.com/listener for privacy information.