this is where it started for me.

[The video's inadvertently activated - and it's easy to tell by the camera angle. It's pointing halfway up at the ceiling, but Bourne can still be seen, holding a picture frame in his hand and singing almost too quietly to be heard.]

( 'Words we had said, grew in my head...' )

[He looks at his journal and sees the recording light is on. It's switched off dispassionately, but just before the transmission cuts out, there's the shadow of some sadness on his face.]