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Gibbs (Mark Harmon) and his team will first encounter the psychopathic Port-to-Port killer in an episode due to air on April 5, according to TV Line.
Two new special agents will be brought onto the NCIS team in a future episode to help solve the case.
It was previously announced that Brothers & Sisters star Sarah Jane Morris will play one of the new team members, Erica Jane 'EJ' Barrett, who will also serve as a love interest for DiNozzo (Michael Weatherly).
The eighth season of NCIS is currently expected to conclude in May. A ninth run has already been commissioned, after the show achieved a ratings high of 22.85m viewers last month.
The series continues on Tuesdays at 8/7c on CBS.
