What is Charles Darwin's major contribution to science? A. He performed an experiment showing how molecular compounds first formed. B. He categorized - 463782
D E C E A S E D. Pedro Hernandez was a Mexican drug dealer responsible for murdering Leroy Jethro Gibbs's first wife Shannon Gibbs and their young daughter Kelly Gibbs which occurred while Gibbs was fighting in Desert Storm in or around 1991 with Gibbs later exacting his own revenge by killing Hernandez.
Joe Spano also reprised his role as Senior FBI Agent Tobias C. Fornell in the first two episodes. Muse Watson (as Mike Franks) appeared in the fourth episode. Ralph Waite (as Gibbs' father Jackson Gibbs) and Robert Wagner (as Tony's father Anthony DiNozzo, Sr.) are also confirmed to return.