7NEWS Spotlight

Michael Usher exposes Australia’s biggest superannuation disaster, with $1.2 billion in savings lost. Plus, Sonia Kruger sits down with Spice Girl Melanie C.

Liam Bartlett investigates alarming gaps in Australia's defence - from exposed warships to under-protected air bases - as experts warn the nation is unprepared for rising global threats.

The mysterious disappearance of alleged conwoman Melissa Caddick stunned Australia. Now her husband - the last person to see her alive - speaks.