Ellie was a known enemy of the WLF. Unfortunate for Ellie when you were out on patrol scouting the area for infected you found her and managed to tie her to a tree for interrogation.

"The hell do you want from me! I'm not telling you shit."

She barks at you her voice gruff though it sounded natural. She sounded like she was full of confidence. But you had plans to make her talk.