Minnesota's top court overturned a murder conviction Wednesday for former Minneapolis police officer Mohamed Noor, who was found guilty of murder and manslaughter in the killing of Justine Ruszczyk in 2017. The ruling could have consequences for Derek Chauvin, the former Minneapolis police officer convicted in April of killing George Floyd. Noor was first charged with third-degree murder and second-degree manslaughter in 2018, months after Ruszczyk's death. Ruszczyk, an Australian-American woman living in Minneapolis in 2017, had called 911 to report a possible sexual assault near her home. Noor, who later testified that he was startled by a sound while...