Casefile True Crime Casefile Archives 1: The Wanda Beach Murders
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Jan 9, 2026 In 1965, the shocking murder of two teenage girls at Wanda Beach stunned Australia. Despite a massive investigation, their killer was never identified. The girls' disappearance, their last day at the beach, and witness accounts of a peculiar surfer are explored. Autopsy findings reveal unsettling details, while police encounters with evolving witness statements heighten the mystery. Prominent suspects, including a convicted murderer, are discussed, alongside breakthroughs in modern forensics that leave the case open and unresolved.
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Close Friends Who Loved The Beach
- Marianne and Christine were inseparable 15-year-old friends who loved the beach and Elvis.
- They often visited Cronulla and had previously walked into the Wanda sandhills together.
Sandhills' Hidden Reputation
- The Wanda Sandhills were isolated and notorious for sexual activity and harassment in 1965.
- That reputation likely made local residents wary and discouraged witnesses from coming forward.
Last Seen With A 'Surfy' Teen
- Marianne and Christine took Marianne's four younger siblings to Cronulla on January 11, 1965 and walked to the sandhills.
- Wolfgang later saw them talking to a surfy-looking teen who left alone ten minutes later.