Background Briefing

Sydney hip-hop group OneFour are one of Australia’s most popular new musical acts.A month ago they were on the cusp of making it, with millions of streams, major label offers and a national tour.Today half the group is behind bars.Osman Faruqi investigates the rapid rise and fall of an Australian hip-hop phenomenon and why one of the country’s most high-profile police strike forces wants to shut them down.

Australians lose more money gambling than any other country in the world. But what if you found out the odds were stacked against you? Steve Cannane lifts the lid on how one of the world’s most successful sports betting agencies, bet365 uses secret tactics to gain an advantage over its customers.

People are dying in Queensland mines. Seven workers have been killed since July last year and the pressure to act is mounting. Soon, some mining bosses could serve jail time if their negligence results in a workplace death, but is it too little too late? Katherine Gregory investigates.

What happens when we run out of water? That might seem a long way off, but after years of drought, taps are running dry in towns all over central New South Wales. The region's dams have gone from overflowing to almost empty in just three years. So where did all the water go? Reporter Meredith Griffiths explores life after day zero.