I was in 7th grade and they announced it over the lintercom right as school was to let out. There were teachers and kids crying everywhere. I was unsure what to think. The adults in the family had the news on 24/7. I saw the flag draped coffin moving down the street and I knew something bad had happened. He was probably a better President than any who followed.
I think Johnson had a hand in it. He had the most to gain.