Clare spent twelve years in the police force, including time on CID, and as a public order commander. She left the police in 2011 to work as a freelance journalist and social media consultant, and now writes full time.
Clare's debut novel, I Let You Go, was a Sunday Times top ten bestseller for 12 weeks, and was the fastest selling title by a new crime writer in 2015. It was selected for both the Richard and Judy Book Club and ITV's Loose Women's 'Loose Books', and has been translated into more than 30 languages. It has sold more than 600,000 copies to date. In July 2016 Clare received the Theakstons Old Peculier Crime Novel of the Year award.
Clare's second book, I See You, was published in the UK in July 2016, with rights sold to more than 20 countries. It charted at number 1 in the Sunday Times hardback bestseller list.