Insider on Instagram: "Conspiracy theories often suggest that elements within the CIA plotted the assassination due to intense policy disagreements with Kennedy. Theorists point to JFK’s firing of CIA Director Allen Dulles, his refusal to provide air support during the failed Bay of Pigs invasion, and his reported plans to slash the agency's budget by 20%. ​Geopolitical Tension: New Orleans DA Jim Garrison and others alleged that anti-communist extremists within the agency wanted to prevent a U.