In 1988, 17-year-old Mark Haines was found dead on the railway tracks outside Tamworth. Decades on, a reopened investigation may offer answers – and Don Craigie is determined to bear witness

• Warning: this article contains images of Indigenous Australians who have died

For the past 37 years, on the anniversary of his nephew’s death, Don Craigie has made a pilgrimage to the Tamworth police station to hold a press conference demanding answers about the grim mystery he has made it his life’s mission to solve.

This week, he hopes to get some.