Rebecca Boyd

After a marine widow receives a call from her dead husband, the NCIS team takes on the case and has to exhume the body to deduce whether the call was a prank or not.

Some bird watchers find a raven with a human eyeball in its mouth. Warrick and Grissom look into the circumstances of David's unusual and first autopsy. (TV-14)

When a porn producer and drug dealer are found dead in an upscale Vegas area, the CSIs focus their investigation on members of the neighborhood. The CSIs are shocked when they discover that one victim had his intestines tied in a bow. (TV-14)

When the number of violent home invasions in an upscale neighborhood begins to escalate, Don and his agents are called in after it is discovered that the victims are being tracked through the GPS in their cell phones. To help solve the case, Charlie applies a data-mining procedure to find a link between the robberies and uncovers a connection between the victim's insurance and wireless companies, exposing a much larger operation. Meanwhile rival mathematician Marshall Penfield challenges one of Charlie's mathematical findings, which makes Charlie question whether he is spending too much time working with the FBI and not enough time making strides in his own field. Colin Hanks guest stars.