Katniss tenses a bit. She doesn't recognize who it is that is talking to her, but she doesn't have a weapon in her hand that Katniss can see. She is looking at her carefully, narrowing her gaze at Cassie like she is expecting-- Katniss doesn't quite know what.

She swallows, lowering it a bit but her muscles are still tense, still waiting, still ready to attack if necessary, if someone or something comes at her.

"Are you sure?"