Bob and his team focus their efforts on Louisiana, where Oswald lived in the months prior to the murder of President Kenned and uncovers a "dark period where no one can account for his whereabouts.

CIA veteran Bob Baer's investigation into assassin Lee Harvey Oswald returns to the scene of the crime: Dallas, Texas, where Bob looks to prove that Oswald had help in his mission.

As the investigation into Lee Harvey Oswald heats up, newly declassified government files reveal that Oswald may have been involved with an underground operation only months before the assassination.

Former CIA agent Baer makes a staggering discovery: a declassified CIA document reveals that Lee Harvey Oswald met with Soviet officials in Mexico City only six weeks before the assassination.

CIA veteran Bob Baer turns his attention to Moscow, exploring connections between Oswald and the Russian government. The team tracks down a former KGB officer, whose testimony jolts the investigation.

Bob retraces Oswald's every step in Dallas, attempting to reconstruct his planned escape after the murder. Examining the getaway route, Bob makes the most unbelievable discovery yet.