Rosemary Willis was a close witness during the assassination of U.S. President John F. Kennedy. Clearly seen in the Zapruder film at the start of the assassination wearing a white, hooded coat and a red skirt, while she trotted in the Dealey Plaza grass located to the limousine's left, she runs southwestward and parallel with the limousine, which she faces for a short time when the limousine is to her direct right. At circa Zapruder film frame 190, she is seen slowing, then she stops running and, simultaneous with her slowing/stopping, she slightly turns her level-facing head to end up looking towards the southwest corner of the Texas School Book Depository. Willis stated she stopped because she heard a loud noise that attracted her attention. Immediately after the upright-sitting President John F. Kennedy is first hidden at frame 207 by the "Stemmons Freeway" traffic sign in the Zapruder film, Willis suddenly, and beginning at Z-214, snaps her head very rapidly 90 to 100 degrees westward within 0.16 second to then face Abraham Zapruder and the grassy knoll by Z-217. 

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