CSI: Crime Scene Investigation (2000)

S4E1 Assume Nothing (1)

In a bar, two couples cross paths, but the night takes a dark turn when one couple is found murdered. As a second couple falls victim in a strikingly similar way, the team begins to suspect the presence of serial killers. Complicating matters, leaks to the media arise, and a hesitant judge is slow to approve a warrant. Meanwhile, Catherine receives unsettling updates regarding her father's ongoing murder trial.