ET’s own Nancy O'Dell learns some "NCIS" set secrets, from what's really in those filing cabinets in Rocky Carroll's office to the touching mementos in Pauley Perrette's lab!"One of my Make-A-Wish [Foundation] kids gave me this [gift], so I keep that here for her — I keep, like, little things all over the place," says Pauley about the mementos that line her lab set. "Another make a wish girl drew that picture of Abby that sits behind my desk right here, [so I had it] framed."A lot of the items in Rocky's office are actually fake, just filler, like old phone bills! (ETonline.com)