Close call
(Book)

After living through the media shaming of a political sex scandal when she was in college, Sydney Ellison fears notoriety above all. So when she stumbles onto a plot to assassinate a senator, she resists contacting the police. Before she can make herself do the right thing, the assassin tracks her down and kills her fiancé. Now a murder suspect and a killer's target, Sydney reluctantly enlists the aid of her estranged sister, who betrayed her fifteen years earlier. Sydney must overcome her distrust and put all she has worked for on the line to stop the killer and his employer before more people die.