[last lines]
Christine Collins: Three boys made a run for it that night, detective, and if one got out, then maybe either or both of the other two did too. Maybe Walter's out there having the same fears that he did. Afraid to come home and identify himself, or afraid to get in trouble. But either way, it gives me something I didn't have before today.
Detective Lester Ybarra: What's that?
Christine Collins: Hope.