Do you believe that Lee Harvey Oswald acted alone to kill John F. Kennedy?
Yes, Oswald was a lone gunman.
No, others were involved.
I don't know.
Stephanie Pappas, Live Science Contributor
Stephanie interned as a science writer at Stanford University Medical School, and also interned at ScienceNow magazine and the Santa Cruz Sentinel. She has a bachelor's degree in psychology from the University of South Carolina and a graduate certificate in science writing from the University of California, Santa Cruz.