Sophtech is coming to retrieve the samples, but they're going to do it anyway, so they don't need to take any risks themselves. They'll just wait for the hq to get there, and then they'll have enough time to get the samples back. There's also four more zombies, and the only way to communicate with them is with a knife. Sop sap, wait! There are three more zombies ahead of them, and it's probably because they've been watching the monitor too much. They should just leave them alone and let them do their thing.