Michael Brissenden

The battle over youth gender care. Patricia Karvelas breaks open the debate, navigating polarised arguments and scientific research on issues including medical interventions, puberty blockers and cross-sex hormones.

Inside the hidden system locking people up indefinitely. Four Corners reveals allegations of the torture and mistreatment of people living with disabilities and mental illness who are locked up by the state.

The children of Australia's meth crisis. Thousands of Australian babies are born exposed to their mother's drug use every year. An investigation into what's being done to tackle one of the hidden side effects of the drug epidemic is conducted.

An exploration of the race to make psychedelic drugs part of mainstream medicine. Elise Worthington looks into clinical trials to treat trauma, PTSD and mental health conditions.

The new legal tactics are blocking justice for survivors, so Louise Milligan goes inside the legal fight as lawyers representing victims face institutions pushing to have cases thrown out of court altogether.

How factional infighting contributed to the Liberal Party's election loss. Liberal insiders speak for the first time about deep divisions, pre-selections, branch stacking, and the extraordinary measures by factional warriors.