Four Corners

A powerful two-part special on the Bondi massacre. Mark Willacy brings the definitive account of what happened on that December day, as told by the people who were there, survivors of the attack and families of those killed.

Four Corners' two-part special on the Bondi massacre continues with Sean Rubinsztein-Dunlop's investigation into the secret lives of the terrorists, uncovering astonishing new information leading up to the attack.

The Liberal Party is hurtling towards a reckoning. This isn't just a battle that will decide who leads the Liberal Party; it's a battle for the party's identity, and direction. Patricia Karvelas takes you inside the contest that will shape the future of the Coalition.

How a prominent Melbourne gynaecologist carried out repeated laparoscopic surgeries that senior specialists describe as unnecessary and harmful. Louise Milligan examines how complaints, warnings and red flags were ignored.

South Australia's algal bloom is one of the worst environmental disasters in Australian waters, continuing to devastate parts of the coastline. What did the government know about the health risks and what was the public told?