I believe Norris was the first to assimilate. The shadow almost certainly is a match before Palmer. The confusion lies with the next two assured attacks. So I believe Norris was first....and then Palmer after macready makes the recorded tape explaining how Windows found a pair of shredded long johns...now I think we can believe it's Palmer who is second because right before Fuchs gets burned a shadow passed him in the hallway. The thing to remember is that the shadow was TALL...palmerPalmer was taller than norrisNorris!. And as for Blair. Let's not forget that a piece of the "thing ""thing" escaped before the first dog pen burning. So obviously Blair was consumed most likely right before or after Fuchs was murdered. I say that because with what was built by the Blair "thing"...that would take days to make for sure! Anyone disagree with me?