Video of JFK assassination

I am not an expert of fire arm at all. But I am amazed what happened that day. The shooter was in a room five storey high. The presidential vehicle was not static but traveled at certain speed. The road is not flat. It went down at certain angle and the vehicle was turning. To me, the condition of shooting is very difficult. It is way more difficult than Olympic game shooting events. Think about it: the olympic shooting venue is on a flat ground. The distance between shooter and the target is fixed in advance. The target doesn't move. The shooter has plenty of time to prepare his triger pulling process. The gun or rifle those olympic athlets use is specially designed and adjusted and maintained at the highest standard. Here comes Oswald. He uses an ordinary rifle and shot at difficult condition. He must be an exceptional shooter. I mean, two fatal shots hit JFK. None of others on that vehicle dead. 

Two other details. 1, the security force reacted very fast. I would say within a few seconds, body guard realized something bad happened to president. One of them rushed towards the vehicle. 2, the wife of JFK saw the whole thing in the closest distance. It must be brutal to see her husband's skull was blown off right in front of her. I don't blame her trying to crawl out of the car. As matter of fact, when the vice president Johnson swore in during flight back to DC as the next president, Jackie still wore the same dress which had JFK's blood on it.