#Watch CSI: Vegas Online: Season 1 Episode 4

Who killed someone and put the body in the Luau pit?

The team kicked into action on CSI: Vegas Season 1 Episode 4 went it emerged the body could be related to a face from the past.

Meanwhile, Internal Affairs kicked off an investigation into Grissom.

Elsewhere, Sara returned to the crime lab, and had a lot of things to say about the changes.

Use the video above to watch CSI: Vegas online right here via TV Fanatic.

Catch up on all your favorite shows and reviews and join in the conversations with other fanatics who love TV as much as you.

TV Fanatic is your destination for the latest news, spoilers, reviews, and so much more!

Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.