Four cartridge cases found at the scene were identified by expert witnesses before the Warren Commission and the House Select Committee as having been fired from the revolver later found in Oswald's possession, to the exclusion of all other weapons.
Patru tuburi de cartușe găsite în acel loc au fost identificate de experți înainte de Comisia Warren și House Select Committee ca fiind trase din revolver găsit ulterior în posesia lui Oswald, excluzându-se celelalte arme.