>> dr. seng, i imagine a situation like this, everybody jumps into action and it's go mode. watching you and hearing you speak up here today, it seems like there is something different about this. you seem almost emotional talking about what happened in the er that day. can you speak to whether there was a difference between this and other trauma incidents you've worked on? >> sure. i think part of it is usually you're working on a shift. and so when you're, quote/unquote, off duty and you get a call, that's unexpected. to see something of this magnitude is unexpected. to have it occur in our county is unexpected. you can't quantify loss of life, right, whether it be a tourism attack or, you know, a car accident or something like that. but, yeah, it's -- it sort of