Most shockign thing you've ever seen?

One of the most horrible things I have ever seen was an accidental decapitation. A couple of years ago my friends were all going to a local park to watch the fireworks one night. There were all kinds of kids riding bikes and mopeds. We were sitting on our blanket and a kid drove past us on his moped and didn't see the wire fence and hit it. His helmet flew off right towards us and he ended up on the road by one of the road blocks. I ran and picked up the helmet only to realize I had his head in my hands. I ran to wear the police started surrounding him and told them what we saw. His parents were there in an instant and the step-mother started yelling at me that if we had not been sitting there that he would still be alive. After I started crying, the cops told us to stick around to make our statements, and then we could go. By that time the fireworks "jakey assed step-son" who always f***ed up their good time. It was the most horrifying thing I had ever witnessed.