building. >> was it her? must be. downtown, investigators resorted to method. >> who's closest to her, romantically or geographically? >> start close, as they say, close to the victim, but how close? oh, they had no idea. coming up -- police look at the men in lauren's life, her boyfriend, david, and her ex, joe. they wondered, could there have been a love triangle gone wrong? some people react badly to that sort of thing. >> very badly, sometimes. >> when "the watcher" continues. such tree-mendous views. i'm at a moss for words. when a cough tries to steal dad's punchlines, he takes robitussin naturals powered by 100% drug-free ingredients. are you gonna leaf me hanging? soothe your cough naturally.