As part of his wide-reaching investigation into President John F. Kennedy's assassination, former CIA agent Bob Baer uncovers evidence of a meeting, held in Mexico City, between Lee Harvey Oswald and Soviet officials.

Bob Baer delves deep into the threads running between Lee Harvey Oswald and the Russian government. The investigation is jolted by the testimony of a former KGB officer.

Bob and his team turn their attention to Louisiana, the place Lee Harvey Oswald lived prior to President Kennedy's assassination. While investigating, the team uncovers a time where Lee Harvey Oswald's whereabouts can't be accounted for.

Before the assassination of President Kennedy, government files reveal that Lee Harvey Oswald may have dealt with an underground operation lead by violent extremists.

When CIA veteran Bob Baer return to the scene of the crime, he seeks to prove that Lee Harvey Oswald had help with his assassination mission in Dallas.

Bob retraces Lee Harvey Oswald's movements in Dallas, attempting to reconstruct his escape plan following the assassination. Plus, Bob makes an incredible discovery, and the team travels to international waters to pressure test their discoveries.