Possible cause of accident/ death

On my way home from the east of Johannesburg, a news cafe car drove past. He was speeding (over the limit) and was driving in between 2 lanes. I was very upset when he passed as he used no indicator either. Then I passed Alberton off ramp and the car was stopped with a dent, next to a dead body and a major accident. I did not witness the accident but the fact that he was stopped by the accidents which left no doubt in my mind that he could've possibly contributed to the accident. (It is also possible that it was someone he knew, which would explain his driving)