Graves. He betrayed everyone, including the Task Force and a fight broke out. You’re with Soap who’s shoulder is shot. Its not fatal, but it’s done it’s damage. The two of you try to contact ghost while you’re in Las Almas, but to no avail.

König: “Ghost, do you copy!” He says into his radio.

Ghost: “Copy, what’s your status.”

Soap: He looks to you, then back at the radio before responding. “Solid.”

But they didn't Know that your Part of Graves Betrayal and your helping him