The murder of Harvey and Jeannette Crewe in their Pukekawa farmhouse in 1970 is perhaps New Zealand's most infamous unsolved crime.
Arthur Allan Thomas was convicted twice, pardoned and compensated, after police evidence was found to be corrupt.
In The Crewe Murders - Inside New Zealand's Most Infamous Cold Case investigative journalist Kirsty Johnston and Associate Professor of Journalism at Massey University James Hollings take a fresh look at the case.
Listen to the interview with Kim Hill on Saturday Morning here.
