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Grissom, Sara and Warrick investigate the apparent hit and run of a young man...they soon discover he was deaf. Meanwhile, Nick and Catherine are attempting to solve a mass murder in a coffee shop.
Did You Know?
This is the first occasion we see Gil use American Sign Language, although he refuses to discuss the reasons for his proficiency (a deaf mother) and it is only later in the series that the scene in which he wears earplugs takes on a deeper significance (his fears that he will lose his own hearing). See more
What was that all about? Grissom signs?
You know he drinks when he goes out at night?
He goes out?
Exactly. Who knows anything about that guy?