A Minnesota woman is fatally shot in her bathroom. Who pulled the trigger? CBS NewsTracking the hours before a young Minnesota woman became a murder victim CBS News‘48 Hours’ to highlight St. Paul fatal shooting of nurse Alexandra Pennig, whose killer claimed she died of suicide St. Paul Pioneer PressWatch 48 Hours Season 37 Episode 11: The Strange Shooting of Alex Pennig cbs.com48 HOURS PREVIEW: The strange shooting of Alex Pennig CBS19.tv KYTX