Revelation is supposed to force her to reveal deep feeling or secrets she's been keeping, all while making her think that she's doing it of her own volition. Connor is trying to get something recorded that he can use as blackmail material to get the memory card from her.
"You have missing paperwork, that could mean a multitude of things. I know you may not want to think it, but is it possible that they may already have someone on the inside? Evidence doesn't just vanish. He pauses for a moment, wqtching Collins work. "I've seen other videos like the one you just showed me, and I've heard from others in instances like this. I have statements compiled at my office. These guys always seem like they're one step ahead, we get a lead on them and they go poof. I've had thoughts that they have people feeding them information. I'm asking you to ask your boss to postpone until we can check some stuff out. Fast is messy." He sighs. "Your idea to check abandoned buildings is a good one. If you need more man-power, I can get a small team together to help. It won't be my first time walking into potential danger, and it certainly won't be my last."