CSI: Crime Scene Investigation: Season 2, Episode 12

2 - 12:

Grissom, Sara and Warrick investigate when a young woman is found dead in a pipe at a construction site. Her sister is found nearby, also murdered. A likely suspect is one of the women's Internet relationship, an ex-con. Meanwhile Catherine and Nick look into a hunting mishap, but as their investigation develops, it begins to look less and less like an accident.