A series of tweets by Pauley Perrette have fans wondering about her life while working on "NCIS."<br />Perrette played forensic scientist Abby Sciuto in the long-running CBS crime drama.<br />She left the series after 15 years.<br />Now, in a series of disturbing tweet, Perrette implies she suffered years of abuse on the set of NCIS.<br />---There is a "machine' keeping me silent, and feeding FALSE stories about me. A very rich, very powerful publicity "machine". <br />
