The Boyfriend. Freida by McFadden

Sydney Shaw is quite happy with her life in New York, but she can't seem to find the love of her life. She's met all sorts of men: they lied on their profiles on dating sites, left her to pay for dinner, and, worst of all, couldn't stop muttering about their mothers. In a moment of complete hopelessness, Sydney finally meets him. Tom seems perfect - handsome, noble, witty, and also works as a doctor. However, later the fairy tale is overshadowed by the investigation of the bloody murder of her close friend. Suspicion falls on a mysterious boyfriend, whom she can't find. Nervous and scared, Sydney doesn't know where to expect danger: there's a killer lurking somewhere nearby, someone is constantly watching her, and Tom doesn't seem so perfect anymore...