Used book – Si tu m'abandonnes, Nora Roberts, Isabelle Saint-Martin

Lieutenant Phoebe MacNamara, the Savannah Police Department's best crisis negotiator, spends her time freeing hostages or convincing a barricaded individual to release their spouse, all while juggling a rather tumultuous personal life. But when the young woman is attacked inside the police station, her confidence wavers. Faced with a series of messages threatening her life, she will have no choice but to confront her deepest fears.