The investigation leads the team to a rogue group of Civil War enthusiasts and a hunt for a lost cache of historical treasure. Cast and Key Characters
The Season 3, Episode 4 episode titled " Silver War " originally aired on October 11, 2005 . It is a pivotal episode in the series' history, marking the official introduction of Ziva David as a permanent member of the team in her role as a Mossad Liaison Officer. Episode Summary
Ducky discovers the Sergeant was actually buried alive in the casket and eventually died from suffocation.
The case begins when the body of a recently deceased Marine is found inside a sealed . The casket was supposed to contain 140-year-old remains, but a forensic anthropologist at the Smithsonian finds a modern cell phone inside instead.