What is Charles Darwin's major contribution to science? A. He performed an experiment showing how molecular compounds first formed. B. He categorized - 463782
Confidence votes 39. I belive they were murdered, while gibbs was at war as a sniper for the marines. and then later gibbs ends up shooting the man who killed his wife Shannon, and his daughter Kelly. 1 person found this useful.
Ann Gibbs is the mother of Gunnery Sergeant/NCIS Special Agent Leroy Jethro Gibbs and deceased wife of Jackson Gibbs. She and her husband had a turbulent marriage and she died when Gibbs was quite young.