A Minnesota woman is fatally shot in her bathroom. Who pulled the trigger? CBS NewsWatch 48 Hours Season 37 Episode 11: The Strange Shooting of Alex Pennig cbs.com‘48 Hours’ to highlight St. Paul fatal shooting of nurse Alexandra Pennig, whose killer claimed she died of suicide St. Paul Pioneer Press48 HOURS PREVIEW: The strange shooting of Alex Pennig CBS19.tv KYTXWhere is Matthew Ecker now?