School teacher Jennifer Beard disappeared on New Zealand's West Coast while hitchhiking on New Year's Eve 1969. Nearly three weeks later her body was found under a bridge outside the tiny township of Haast.
Now a Herald investigation has uncovered new evidence that could identify her killer.
Update episode: A missed opportunity
We reveal how police were told about the rumours Reg Wildbore’s own wife had said he committed the murder - and what happened next.
Special Update Episode: I Need To Speak To Mitten
More people come forward with new evidence about Reg Wildbore, and his comments about speaking to lead detective Emmett Mitten.
Episode 9: Suspicion
In the final episode of The 50 Year Secret we talk to Reg Wildbore's old boss about why he always believed Reg was guilty of murder, and ask police about the challenges of getting new information in one of New Zealand's oldest unsolved murder cases.
Episode 8: A Bad Feeling
The last person to ever see Jennifer alive recalls the moment she saw the British tourist climbing into the car of the man who's believed to have killed her.
We retrace the route Jennifer took in her last hour alive.
Episode 7: Leave It Alone
A confession, sex claims, and a statement putting Reg Wildbore practically at the scene of the crime the day Jennifer disappeared.
Had nobody tried to bring this to light before?
As it turns out, they did.
Episode 6: Something In His Eyes
Reg Wildbore's former best mate Peter Johnston talks about Reg's strange behaviour and why it's not hard for him to believe he was capable of murder.