Days prior to this event, a prostitute named Rose Cherami claimed to know of its planning and years later a Dictabelt recording of this event was discovered. In the wake of this event, Arlen Specter developed one theory for it and New Orleans District Attorney  Jim Garrison investigated it. This event occurred on Elm Street near (*) Dealey Plaza, the main action in this event was carried out from the 4th Floor of the Texas Schoolbook Depository and investigated by the Warren Commission.  For 10 points, name this November 1963 event carried out 
Days prior to this event, a prostitute named Rose Cherami claimed to know of its planning and years later a Dictabelt recording of this event was discovered. In the wake of this event, Arlen Specter developed one theory for it and New Orleans District Attorney  Jim Garrison investigated it. This event occurred on Elm Street near (*) Dealey Plaza, the main action in this event was carried out from the 4th Floor of the Texas Schoolbook Depository and investigated by the Warren Commission.  For 10 points, name this November 1963 event carried out by Lee Harvey Oswald in Dallas, Texas that resulted in Lyndon Johnson being sworn in as President of the United States.
Days prior to this event, a prostitute named Rose Cherami claimed to know of its planning and years later a Dictabelt recording of this event was discovered.
{Assassination} of {John F. Kennedy} [accept reasonable equivalents including the use of {“JFK”}]