Cobra was lying near the back of the bay, half hidden by a rack of testing equipment. There was blood on the deck where she'd been dragged to the niche, and a larger pool of blood around her. Someone had tried to staunch her wounds with a makeshift bandage, but it wasn't controlling the flow of blood. Blair knelt beside her and lifted it to examine her injuries. Four deep slashes cut across her stomach, and the sight of those wounds made Blair, hardened veteran that he was, turn his head away.
He had seen that kind of disemboweling cut before, after the ground fighting on Muspelheim a decade ago. The cuts could only have been made by a Kilrathi's claws.
COBRA LIES IN A POOL OF HER OWN BLOOD, MORTALLY WOUNDED. THERE ARE DEEP SLASHES ACROSS HER ABDOMEN, CUTS THAT COULD ONLY BE MADE BY THE CLAWS OF A KILRATHI - -
Wait... someone had tried to staunch her wounds? That could only have been Hobbes... anyone else would have reported finding her injured. So he delivered a fatal blow to her, and then tried to give her medical care?Yeah, Eisen removes the knife from the top of her locker so she didn't have it with her when she was killed.
The novel confirms more directly she was killed with his claws:
And it looks like that originates from the script:
Wait... someone had tried to staunch her wounds? That could only have been Hobbes... anyone else would have reported finding her injured. So he delivered a fatal blow to her, and then tried to give her medical care?