The setting may have changed, but the emphasis remains on crime and detection in the first "CSI" spin-off. David Caruso stars as Lt. Horatio Caine, a former homicide detective who now heads an elite forensics unit which includes ballistics expert Det. Calleigh Duquesne (Emily Procter), underwater specialist Eric Delko (Adam Rodriguez), streetwise investigator Tim Speedle (Rory Cochrane), and Alexx Woods (Khandi Alexander).232 episodes on 65 discs. 169 3/4 hrs. Widescreen (Enhanced); Soundtracks: English Dolby Digital 5.1, Dolby Digital stereo Surround, Spanish Dolby Digital stereo; Subtitles: English (SDH); audio commentary on selected episodes; featurettes; deleted scenes; gag reel.