Julie McKinnon

When a young woman appears to be strangled while participating in a live online chat that Adam witnesses, the CSIs must determine if it was real or a hoax, and locate where the possible victim is. (TV-14)

When Mac and Aubrey come across the scene of a 14-year-old boy who has been shot in front of his 12-year-old brother, it takes Mac's drive for justice to another level. (TV-14)

When a young woman's body is found in Central Park, drained of blood and missing part of her ear, the CSIs jumpstart an investigation that takes them into the dark and mysterious subculture of vampirism. (TV-14)

Mac and the team search for the killer of a department store manager who was found dead in a holiday display window. (TV-PG)

When Detective Lovato's cover is inadvertently blown, the CSI's investigate the Latin street gang she infiltrated when undercover. Bill Smitrovich guest stars. (TV-14 L, V)

The CSIs investigate when a fraternity prank goes awry on Halloween and a pledge master is left for dead in an open grave. (TV-14)