Smartwatch data helped police make arrest in Adelaide murder case Caroline Nilsson, 26, charged with the bashing murder of Myrna Nilsson, 57 The 26-year-old initially told police her mother-in-law had been attacked Nilsson sobbed throughout the hearing and will return to court on June 13 Recovered Apple smartwatch data, which indicated when a murder victim's heart stopped beating, will be key prosecution evidence in the case against a South Australian woman charged with killing her mother-in-law, a court has heard. Caroline Nilsson has been charged with the bashing murder of Myrna Nilsson, 57, at their Adelaide home in September...