I think I just witnessed a murder!

Hint 1 of 7:

Oliver Whistler had asked you to meet him in the Ore Processing Center.

Hint 2 of 7:

Did you lock the walkways when you came in?

Hint 3 of 7:

After the murder, you will chase someone who looks remarkably like Kit
Ferris.

Hint 4 of 7:

After the witness escapes, be sure and re-lock the walkways.

Hint 5 of 7:

Make sure you consult your VDA map for the Ore Processing Center as you move
around it.

Hint 6 of 7:

There are several items that you must locate and add to your inventory.

Hint 7 of 7:

One is a belt; another is a key.