curator gary mack talked about the museum and the investigation is presented. >> what we set out to do was to basically tell what happened and not draw any of our own conclusions about what it means, but to present what history has told us. there have been several investigations and various developments over the years. most people, according to the public opinion surveys have never been satisfied that it was lee harvey oswald. none of the other theories have been proven. the official explanation was three shots were fired all from lee harvey oswald and all from the corner window. the rifle that oswald supposedly used was traced to him and his post office box. he was left behind in the building on the sixth floor. the warren commission had a reconstruction done and one of the exhibits is a scale model of dealey plaza how they helped study how the shooting happened. ultimately, the fbi and warren commission decided that the first shot came from under a car under a tree. the tree is still there. it is much taller. from that moment to when that fatal shot was fired is about six seconds. th

curator gary mack talked about the museum and how the information on the assassination and ensuing investigations what we set out to do was to basically tell what happened and not draw any of our own conclusions about what it means but to present what history has told us. and there have been several investigations, and various developments over the years. most people, according to the public opinion surveys, have never been satisfied that it was just lee harvey oswald. but none of the other theories have been proven, and, as far as many people are concerned, they've all been dismissed. the official explanation is is three shots were fired, all from lee harvey oswald and all fla southeast corner sixth floor window. the rifle that oswald supposedly used was his. it was traced to him and to his post office box. he was left behind in the building on the sixth floor. the warrant commission had a reconstruction done in one of the xibexhibits is a model of d plaza that helped them study how the shooting happened. ultimately the fbi and warrant commission decided that the first shot came from when the ca