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.
Jennifer Jenny Shepard (Lauren Holly) first appears in the episode Kill Ari (Part I). She replaces former NCIS director Thomas Morrow at the start of season three after Morrow takes a Deputy Director's position with the Department of Homeland Security.