She regularly covers stories about trauma, violence, mental health and inequality, and was one of the lead reporters in the deadly 2011 earthquake that hit her hometown of Christchurch. Carville previously worked on the investigations unit at The Toronto Star in Canada, where her in-depth exposé on sex trafficking led to a $10 million funding boost for victims. Her stories have influenced legislation in both New Zealand and Canada, and she has been nominated for and awarded eight major national media awards in both countries.