Read “Incident in Miami” by Masaad Ayoob.
http://en.wikipedia.org/wiki/1986_FBI_Miami_shootout
Ayoob notes that Platt was shot in the Pulmonary Artery as he exited the vehicle with a 9 mm. He went on to kill a number of folks after receiving this wound. Ayoob felt that had that round been a .45 the fight would have been over right there. ‘Nuff said.