“I’m in.” The words were preceded, followed by heavily labored breathing.
Another voice answered, “Anything?”
“Not in the airlock.” The man in the environment suit could be seen making his way through the inner hatch. “Nothing in the number one corridor. Making my way forward.”
There was nothing for a while, then: “Control’s empty. The main battery still has a charge.”
“Power up life support, then see if you can get internal sensors working.”
They’d never fix what he’d done to the sensors. He’d wait till more of them were aboard, out of their suits, before he started killing.