You start out with Warrick Brown. Apparently a crackpot called and left a threatening message - all you know is that it originated somewhere in the Vegas phone grid.

The message rambles and goes, "who will help you now?"

You play on the computer. Really you just click on various parts of the audio file.

middle - elephant
end - casino noises

Now you search on casinos with elephant acts. Lo an behold - it's the Monaco!

CSI Crime scene Investigation Walkthrough