ICE director says Dallas facility shooting was his 'worst nightmare'

I had the chance to speak with acting ICE director Todd Lions moments ago on the latest developments in the investigation. Here's our conversation. My first question to you is this hit home for you in a lot of ways, but you actually worked in the Dallas ICE office, right.>> I did. I have uh so many good friends that still work there. Um it was really hard.I actually got the news as we were walking on set today on a totally different related subject at CNN. um you know to hear that the ICE office was under f ...