I remember watching CNN very late at night back when it was a relatively new station. I was watching live footage of a hostage situation and they showed the bad guy walking out of the store with a shotgun to the head of the hostage, a moment later you could see the bad guys head explode as he fell to the ground. A police sniper had gotten a clear shot and took it.

I remember feeling stunned, I had just seen another human being die. As a former medic I'd seen many many dead people, but only watched a few die and at those times I was working feverishly to prevent that outcome. It was surreal.