US National Archives
Internet Archive: Murder of Lee Harvey Oswald, 11/24/1963
News footage [3:19] of Lee Harvey Oswald being interviewed after taken into custody and then shot by Jack Ruby.
Backstory Radio
Back Story Radio: Grassy Knolls: Conspiracy Thinking in American History
BackStory Radio episode in which the American History Guys explore the long tradition of conspiracy thinking in America. Audio and transcripts are provided in segments.
Other
Mary Ferrell Foundation: Lbj Phone Calls
Listen to phone recordings of taped calls from President Johnson's administration related to the Kennedy assassination.
NPR: National Public Radio
Npr: Jfk Assassination
This site from NPR provides oral histories of witnesses to the Kennedy assassination saga.