The noise came from away from his building. This illusion, he explained, may have been due to the sound bouncing off the building and other objects in the vicinity.

Mr. Campbell advised he had viewed the Presidential Motorcade and subsequently heard the shots being fired from a point which he thought was near the railroad tracks located over the viaduct on Elm Street.

I heard shots being fired from a point which I thought was near the railroad tracks located over the viaduct on Elm street. I . . . had no occasion to look back at the Texas School Book Depository building as I thought the shots had come from the west.