On Christmas Day 2011, an aid worker was on holiday in Sri Lanka when he broke up an altercation in a hotel bar. His selfless act would end in murder.

A couple's dream retirement in Thailand became a nightmare when pirates boarded their yacht. What followed was a terrifying hostage ordeal, and murder.

In January 2002, a Yorkshire teenager set off backpacking around Australia. Months later, her body was found at the bottom of the Bundaberg Bridge.