(Sarah has discovered the Terminator parts)
John: We were using it for research. To find out what makes them …
Sarah: Don't! John, just don't. Don't make excuses for her. Don't cover for her.
John: I knew about the parts.
Sarah: I'm not talkin' about parts. I'm talkin' about Riley.
John: Well, there's nothing to talk about, is there? Because Riley's dead.
Sarah: How do you think that happened?