Who died in NCIS season 9?

In NCIS Season 9, the character who died was Special Agent Tony DiNozzo's father, Anthony DiNozzo Sr., portrayed by Robert Wagner. Additionally, the season finale features the death of the character Dr. Jenny Shepard, who was previously a team leader and played by Lauren Holly, as she is killed in a confrontation with a former adversary. These events significantly impact the storylines and character developments in the series.