Agent Grisscob

Related Quests

 * Unfriendly Sprockets

Homage
Both the name of this NPC and the quest offered is an homage to the television show, CSI: Crime Scene Investigation (a.k.a. CSI: Las Vegas):
 * The NPC shares the name of Gil Grissom
 * A season 1 episode of CSI is entitled Unfriendly Skies.