Choir director Kathy Blair's son discovers her murdered at home; detectives find camera footage containing a shadowy figure that might just be their killer; the murder of a couple nearby sparks fears this might be the work of a serial killer.
Genres: Crime , Documentary
Keywords: crime-scene , homicide , homicide-detective , homicide-investigation , interrogation , murder , murder-investigation , murder-victim , photographic-evidence , re-creation , reenactment , security-footage , surveillance-footage , true-crime , video-evidence , video-surveillance