OK, you're roaming around Gray's airport hangar. Turn left. On the shelf of boxes, there's a box with a big label on the left. Look at the label - Gray bought fuel from Ecuador. Glove-grab the label.

On the desk you find out Gray was in serious trouble with his business. Grab that too.

The lockers are locked. But near the plane i sa barrel with rags. Grab those with the gloves.

Nothing else here!

CSI Crime scene Investigation Walkthrough