Throughout his career, Ron Iddles has been haunted by his first homicide case: the 1980 stabbing murder of bookshop owner Maria James. Could fresh evidence now help solve this cold case?

After realising he'd arrested the wrong man over the murder of security guard Slawek Tomczyk, Ron Iddles worked even harder to prove the man's innocence.

In 1985, Dominic Marafiote mysteriously went missing. The following day, his parents were found shot dead in their home in Adelaide. Could a tip-off from a small-time crim help Ron Iddles solve the crime?

Ron Iddles was the first detective to the scene of a murder that rocked Melbourne to its core - the gunning down of suburban mum Jane Thurgood-Dove in her own driveway, as her kids watched on from the car.

Ron Iddles was the first detective to the scene of a murder that rocked Melbourne to its core - the gunning down of suburban mum Jane Thurgood-Dove in her own driveway, as her kids watched on from the car.

In Melbourne 1982, six-year-old Bonnie Clarke was murdered in her bed. The case remained unsolved until Bonnie's dad, Denis Clarke, phoned Ron Iddles. Ron knew that in many cold cases "the answer is in the file".

The 1983 stabbing murder of Michelle Buckingham goes unsolved for over 30 years, until Ron steps in and takes over the investigation.