hello. welcome to dateline. imagine driving on a dark, isolated road, suddenly a car behind you and it gets closer and closer. too close for comfort. is someone tailing you or is your imagination in overdrive? for brandy daniels, her mind was not playing tricks. someone was stalking her. and then the single mother was found slumped over in her passenger sheet, shot dead. investigators would spend years navigating the twists and turns searching for her killer. here s dennis murphy with out there in the dark. reporter: it was a chillier than usual monday night in may, 2014, as brandy daniels drove home from her shift at kohl s. zanesville in eastern ohio is the kind of not-too-big, not-too-small, city where you can be off the downtown grid and into wooded rolling hills in just a few minutes. and out there in the dark, that s where this 25-year-old single mom was heading back home to her daughter waiting to