His dad's death at just 57 prompted Declan Lawn to give up journalism to pen scripts for TV... now he's co-writer on top BBC drama The Salisbury Poisonings

Don't give up the day job is a well-worn joke, but the truth is not many people choose to walk away from a steady income and take a risk to follow their dreams.Declan Lawn had already built a formidable reputation as an investigative journalist at the BBC, making programmes for Panorama and Spotlight, when he decided to make a life-changing leap of faith.