Check www.cafepress.com and type ncis in the zoek box. i think they might have a few things. u can try typing Abby ncis in the zoek box i havent tryed it and i dont no if anything will come up but its worth a shot!
I know what u mean wanting to know were she got all that cool clothes! If u type in Abby off ncis clothes in to Google it comes up with loads of cool stuff. Even a nice brace ball cap!!!!! Hope this helps ;)