Happening now.

CNN tries to get answers from the Emballed School Police Chief, but he dodges key questions

about his response to the shooting massacre and mistakes that were made.

Stand by for exclusive reporting as officials accounts of what happened keep changing every day.

Also tonight, Russia is hitting back after the US agrees to send

more advanced rocket systems to Ukraine. The Kremlin claiming the move is adding

quote fuel to the fire this as Russian forces have gained

ground in eastern Ukraine leaving a key city on the brink. We want to welcome

our viewers here in the United States and around the world.

I'm Wolf Blitzer, you're in the situation room.

For the first time in a week we're now hearing from the man who led the widely

criticized police response to the Texas School Massacre CNN confronting the Uvaldi School District Police Chief and pressing

him about his decision not to immediately engage the gunman.

Listen to CNN's exclusive one-on-one with that police chief Pete Arredondo.

I want to talk to you about decision and what's...

But just to let y'all know and I just spoke with it. I know you did you're not bluff me right? No no no no no no no just

just so you all know obviously we're not going to release anything we have we have

people in our community being buried.

So we're going to be respectful.

I just want your reaction to the direct me to saying that you were responsible for the decision

to go into that room. How do you explain yourself to the parent?

I understand that, but you have an opportunity

...