You're sure?

[Of course he's sure, but he has to ask anyway as he looks up from his food in surprise. It's still a coincidence, just a slightly more unusual one.]

I'm sure it happens sometimes. Lots of Marines, so some of them are bound to die on the same day, even in the same town.

[It's not staunch disbelief or anything, he just feels better playing devil's advocate a bit. Makes sure they have to have something really solid before they go spending the rest of the week following up in person.]