On Tuesday's NCIS (8/7c on CBS), Abby Sciuto (Pauley Perrette) takes a rare trip outside her lab, and her visit to Mexico could mean trouble for Gibbs (Mark Harmon).
Abby is invited to speak at a symposium in Mexico about cold-case forensics, using real evidence from old cases. "Abby is in Mexico simply to teach, but she does make some cold-case discoveries while she's there," Perrette tells TVGuide.com. "She makes a few discoveries, actually, that come back around to other parts of our NCIS story lines that have been building for years."
To Read More Click Here.