They know she killed them. They've just never known why. Connie Cross was a trusted pharmacy assistant when she was arrested for the gruesome murders of at least seven strangers. Now, she's serving a whole-life order for the shocking crimes she refuses to explain. Olivia Lang never forgot Connie, the awkward teenager from a south London estate she first met while working for the police. Twenty years later, Olivia is desperate to understand what made Connie turn into a murderer. But as she begins to uncover the truth about the UK's most notorious female serial killer, Olivia risks revealing secrets she's kept hidden for years . . . Everyone's gripped by Connie'Had me mesmerised from the very first page' ? READER REVIEW'Unnerving but hugely satisfying' L V MATTHEWS'Brilliant and compelling . . . very thought-provoking' ? READER REVIEW'An utterly captivating anti-heroine' LIZZY BARBER'Full of suspense and tension, twists and turns' ? READER REVIEW'Absolutely enthralling' EMMA CURTIS'Unpredictable, captivating' ? READER REVIEW'Entirely gripping and original' CATHERINE COOPER'A brilliant psychological thriller. I loved it' ? READER REVIEW'Chilling, compulsive' EMILY FREUD'A wonderful read' ? READER REVIEW'Dark, haunting and propulsive' LISA TIMONEY'Will be recommending this book to everyone I know' ? READER REVIEW'Do not miss it!' HEATHER CRITCHLOW'Evocative. Eloquent. Extraordinary' ? READER REVIEW'A real page turner' ? READER REVIEW