[What she really wants to ask is why anyone would name a child Semi, but it's probably better not to get into that. He's revealing a lot about himself here, and trying to divert attention from that would be rude. She's more fixated on his near obsession with Julie's case, understanding exactly how it feels to be so dedicated to trying to help someone that it consumes you. ]

It sounds like the system failed Julie Mao. You did everything you could to find and save her.

[He probably doesn't need the reassurance, but she gives it to him anyway.]

What's your biggest regret looking back on her story? That everyone was too late, or that you weren't able to let her go?

[It's blunt and a little nosy, but she's in reporter mode right now and focuses more on the questions that might provide interesting answers rather than fluff.]