Even if you can guess they're gone, you're still going to try to mount a rescue in the case that you were wrong. And nobody with any shred of PR training would

Even if you can guess they're gone, you're still going to try to mount a rescue in the case that you were wrong. And nobody with any shred of PR training would make a "heard a big boom, they're probably fucked" statement with all the world's media and the families listening. Nobody wants to tell the families that its over until they've got hard proof.