Why aren’t they asking more questions?

Why doesn’t mark ask cobel more questions?? When they’re standing in the woods and she says the file (cold harbor) and if it’s complete she’s already dead. Why doesn’t he ask what the file is or what that means she’s dead, etc.? If i was in his situation I would be asking so many questions about why she’s there, what they’re doing to her, what lumon does in general etc.