If you’ve enjoyed Gone Fishing, we thought you might be interested in a podcast that’s sitting high in the charts in Australia.Unravel is a true crime series from the ABC, and the first season’s story is “Blood on the Tracks”. It’s about the 30-year mystery surrounding the death of Aboriginal teenager Mark Haines, whose body was found on the train tracks near the country town of Tamworth in 1988. One of the first people at the scene thinks it’s a murder made to look like a suicide. But police quickly dismiss any idea of foul play.In this trailer, reporter Allan Clarke introduces the story he’s been investigating for five years.For more information or to subscribe to Unravel, visit the ABC’s website.