E40 | Mona Blades

On Queen's Birthday weekend, 1975, eighteen-year-old Mona Blades set out hitchhiking from Hamilton to Hastings, carrying a birthday gift of plastic cups for her baby nephew. She reached Taupō — and vanished. A truck driver's sighting of her in an orange Datsun launched one of New Zealand's largest manhunts: more than 500 cars, thousands of hours, not a single trace found. Fifty years on, her body has never surfaced and no one has been charged. But a cold-case review revealed something unsettling: the famous orange Datsun may have been a wrong turn from the very start, sending an entire country chasing a mirage.

Sources used

• Wikipedia — "Disappearance of Mona Blades": backbone for timeline, sightings table, the 500+ orange Datsun owners, John Freeman (rental + St Cuthbert's shooting/suicide), Hinton allegation and 2012 Kawerau dig, 2003 Huntly garage-floor false alarm, 2018 Cold Case documentary findings, gang-link theory, family detail.
• NZ History (nzhistory.govt.nz) — "Mona Blades vanishes": family context (sister Lillian, brother-in-law Tom, niece Angela), the surprise trip and nephew's 1st birthday, plastic tumblers, dropped on Cambridge Rd/SH1, ~10am orange-Datsun sighting, fencing contractor on Matea Rd.
• NZ Herald / The Listener (Greg Bruce, "On the wrong trail" / "No DNA, no CCTV, no chance," May–June 2025): the central reassessment — the short/spiky hair vs the long-haired bridesmaid photo; the truck driver interviewed four times with escalating certainty and the "half-pie smile"; the memory-as-fresh-snow interviewing material; the alternative sightings (blue/green wagon, red Toyota, Spa Hotel); detectives Ron Cooper, John Hope, Mark Loper and the on-camera conclusions; 145km road; "solved in a week today" (Henwood/Beard); Scott Bainbridge "deathbed confession."
• 1News (May 2025, 50th anniversary): hundreds of police across a 200km Tokoroa–Napier stretch; fencing contractor detail; "steady stream" of tips since the 2018 doc; Det Snr Sgt Ryan Yardley; clothing/pack detail.
• The Post (May 2025): surprise trip, items found in searches incl. discarded dresses, identikit of the man, ~360 Datsun station wagons by Oct 1975, "suspects — the driver of the orange Datsun and four others — two of whom are dead," the living person of interest's public denials and DNA sample.
• NZ Police cold-case page: ~5000 hours over 6 months; webpage now lists blue/green wagon and red Toyota (the Taupō-local / gang-adjacent theory); appeal re: bike-gang associates.
• NZ Herald (Sept 2025 / "Cop v Cop," Jan 2012): Tony Moller (former Kawerau policeman) and the Hinton allegation; the family's strong rejection; the red-Toyota / rolled-carpet sighting not followed through.

While some dramatic license is taken during the retelling of these stories, but you can be sure that these true crime stories are all based 100% on real events and facts.

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This podcast is researched, and written by the Brevity Studios team using AI tools, and is narrated in its entirety by - Ryan Wolf.

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