Regarding the Matter of Oswald's Body #3

After learning that Sonny Germs is the double for the suspected assassin, our crew tails Oswald’s police escort to the station… where Oswald is surprisingly shot upon leaving.
Later, the four follow his ambulance and gain access to his body to do the switch.
But after realizing how seamless the process was, they question who Frank works for, and how high up it all goes…