Dr Alfred Newman may be the most notorious scientific racist in New Zealand history. His 1882 paper "A study of the causes leading to the extinction of the Māori" was so extreme that it scandalised not just Māori, but also New Zealand's wider scientific community. So what can Newman's story tell us about the history of scientific racism in Aotearoa?

In the second of a two-part episode on Charles Mackay Black Sheep investigates the mysteries surrounding the Whanganui Mayor's attempted murder of D'Arcy Cresswell - a former soldier who threatened to out the Mackay as homosexual if he didn't resign the mayoralty. 

For more than 50 years the name of Mayor Charles Mackay was all but forbidden in Whanganui. In 1920 Mackay shot a man through the chest after he threated to expose the mayor's homosexuality. RNZ's Black Sheep podcast investigates the downfall of Charles Mackay, and how his story is being reevaluated in modern New Zealand.

RNZ multi award-winning podcast Black Sheep returns on May 26th with a new cast of mysterious misfits, violent villains and controversial characters. 

When flamboyant orchestra conductor Eric Mareo was convicted of murder for a second time, the judge raised grave concerns about the verdict with the Attorney General. So, did 1930s prejudice and sensationalist media sentence an innocent man to death?