and fbi had gathered on lee harvey oswald until the assassination. we saw a memo written by j. edgar hoover saying he was very concerned about the lack of security for oswald by the dallas police department. you ll recall oswald was shot by jack ruby being moved from the basement of the dallas police headquarters. according to this memo, hoover heard of potential threats to oswald and repeatedly urged the police in dallas to give more security and was very disappointed when they didn t. and finally, a memo to the fbi director about the world reaction, including from top officials in the soef union who said their assumption after the assassination was that kennedy was killed by what they called an ultrafar right conspiracy and that the russians were worri worried the soefr yets were worried in days after the