NCIS: Season 8, Episode 6

8 - 6: Cracked

The NCIS team investigate the death of a Navy researcher who was hit by a bus in the middle of a busy street. They are surprised to find that her entire body is covered in elaborate mathematical formulae, but begin to suspect her death was nothing more than an accident after finding evidence that she was becoming increasingly paranoid. Recognizing the researcher as a kindred spirit because they share similar thought processes, Abby becomes fixated on solving her equations and vows to finish to the work that the victim originally started. Unfortunately her new-found obsession soon begins driving a wedge between her and the rest of the team but thanks to Gibbs and the victim's mother, Abby eventually regains her priorites and resumes working on the case. As the team discover that the researcher was being poisoned, Abby deduces that the formula is a method of converting bacteria into fuel. The trail leads back to a jealous co-worker, who poisoned the researcher in order to take her job. Meanwhile, Tony's latest fling causes trouble when she suggests