We made the deal when we investigated that room with the alarms. He already knew about the robot. My job was to get it into the room so he could deal with it.

[Which... he presumably did, once it left through that door. He'd gotten her, at any rate.]

Whether or not I believed him, it was obvious we weren't going to be able to escape. On the other hand, I didn't have much to lose, and if he kept his end of the bargain, I could actually ensure my own survival.

So, I took a chance on his word.

[And now she pays the price.]