Thomas Perry 
Silence [EPUB ebook] 

Six years ago Wendy Harper was running for her life. Jack Till, an ex-cop turned private eye, helped her disappear. He did a very good job of it and even Jack has no idea where she might be. But now her ex-boyfriend and former business partner is being framed for her presumed murder in an effort to smoke her out. Jack must find her before a pair of hired assassins do. The assassins, a husband and wife team, are as sinister as they come, and when their shadowy employer looks like he is going to double-cross them, finishing the job is no longer enough…