Robert F. Kennedy Jr. in the lobby of Trump Tower in New York, Tuesday, after meeting with President-elect Donald Trump. Kennedy said Trump put him in charge of a commission on "vaccine safety." Evan Vucci/AP hide caption

toggle caption
Evan Vucci/AP

Rigid, semiconscious, his face an ashen mask, Kennedy lies in a pool of his own blood on the concrete floor, a bullet deep in his brain and another in his neck. Juan Romero, a busboy whose hand Kennedy had shaken before the shots, tried to comfort him. Bill Eppridge/Courtesy of Time & Life Pictures/Getty Images hide caption

toggle caption
Bill Eppridge/Courtesy of Time & Life Pictures/Getty Images