We've lost them again, sir. We don't know where they are

[Max, on the phone at a phone booth, panicking of telling him his news about progress of attempting to get back their stolen diamond] Max:
Double X? Uh, yeah. I'm afraid we- we- we've had another complication. Insp. Bouchet:
[through the phone]
I'm beginning to think that you're the complication! [now showing him at his office] Insp. Bouchet:
[nearly yells it through the phone, but suddenly realizes his receptionist just across the glass wall, and gets his voice down and addresses the diamond in a way, so he couldn't hear him talking about the diamond in a way that reveals any clue that he is behind the diamond robbery]
THAT- That "item" should have been in my hands by now! Max:
[through the phone]
Oh, don't worry, sir. It's still in the gas tank. Insp. Bouchet:
Then bring me the gas tank! What are you waiting for? Max:
[shown on the phone at the phone booth]
We've lost them again, sir. We don't know where they are