Retiring detective reveals how he tried to get serial killer Ivan Milat to confess days before his death

Wayne "Wally" Walpole is a proud old school cop.
After decades with the NSW Police Force, the detective inspector has come face-to-face with some of Australia's most notorious criminals.
One of the worst was serial killer Ivan Milat, who was convicted of murdering seven backpackers.
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Retiring NSW Police detective Wayne "Wally" Walpole A Current Affair
With a distinguished career spanning 40 years, Wally is handing in his badge. A Current Affair
With a distinguished career spanning 40 years, Wally is handing in his badge.
But not before looking back on some of his career-defining moments, with A Current Affair crime editor Simon Bouda.
Watch the full video in the player above.
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