Omar Leyva

While Jane and the team examine a crime scene where a baseball scout has been found murdered, Jane is clocked in the head and knocked unconscious by a ball – causing him to flash back to his childhood with his overbearing father, Alex (guest star NICK CHINLUND – Desperate Housewives).

Season Four premiere. A behind-the-scenes documentary look at the filming of 'Medellin' on location in Bogota, Colombia. On set, Eric and Billy clash over keeping the film on schedule and Billy develops an infatuation with Vince's beautiful Colombian co-star that becomes increasingly disruptive to the production. Meanwhile, Drama tries to angle for a part in the film, and Ari provides color commentary from his L.A. office.

The team investigates a spree of brutal tourist beatings that take place within a few hours of one another; while following the trail of evidence, Greg interrupts a beating in progress and faces a decision that could change his life.

While investigating an elderly woman's murder, Grissom receives a miniature crime scene replica; Greg attends a hearing to ascertain his culpability in a teenager's accidental death.