7NEWS Spotlight

Locked inside a US jail, Australian mother Lisa Cunningham awaits trial over the alleged 2017 murder of her stepdaughter. She breaks her silence for the first time in almost 8 years.

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.