The Corbett Report's latest episode addresses the matter of Mr. Lee Harvey Oswald. Quote: "In this week’s special documentary episode of the podcast, we explore the life and legend of Lee Harvey Oswald. Was he a poor, disgruntled loner or an overachieving marine? A presidential assassin or a sheep-dipped patsy? Find out in this week’s edition of The Corbett Report."
As always, the above-linked episode page has a full transcript with sources. Enjoy.