Some Crimes leave a trace. Fingerprints, footprints, a whisper of who was there. He moved silently in the shadows, watching, waiting. They Called him Mr Cruel, and decades later, we still don’t know who he is.

Mr Cruel 1 – Overview of Case – Melbourne Marvels Mr. Cruel — UnresolvedPM with Samantha Donovan - ABC listenHerald Sun Fairfax Syndication - Detective Inspector David Sprague heads police taskforce Operation Spectrum to investigate the disappearance of Karmein Chan, 1991The Age Newspaper Archives – 1988 to 1997

They came chasing freedom, Backpacks, smiles, youth and time on their side. Deep in the Australian bush, someone was hunting. 7 bodies, 1 monster, and for years he walked among us.

Strands of hair in murdered Welsh backpacker's hand finally solve mystery | Wales Online

https://www.smh.com.au/national/on-the-trail-of-a--serial-killer-20140414-36m7u.html

Serial killer who murdered Hexham backpacker Caroline Clarke on his 'death bed' | Chronicle Live

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On the trail of a ... serial killer

Australian serial killer Ivan Milat dies in Long Bay prison, aged 74 - ABC News

https://crimelibrary.org/serial_killers/predators/milat/15.html

It’s just after 8pm in the Australian outback — pitch black, dead quiet. A van pulls over on the Stuart Highway… and one of its passengers is never seen again.

Sources:

STORY - Colleen Gwynne

Timeline: Peter Falconio murder | UK news | The Guardian

https://supremecourt.nt.gov.au/

Peter Falconio’s murderer Bradley John Murdoch moved into palliative care | 7NEWS