Maria Bello is set to depart NCIS in Season 18 might've been the most-anticipated secret to drop from the show in a long time; super-fans have long buzzed that, owing to Bello's three-year contract expiring, Jacqueline"Jack" Sloane might be soon meeting her maker on the CBS drama. Obviously, with Season 17 cut a little short, the plot twists and turns that might've made this development a little easier to see coming were curtailed, but fans can rest assured that when NCIS is back, Sloane's