Cullen had been McAuliffe’s pilot for the last three years per this article:
http://wtop.com/virginia/2017/08/funeral-va-trooper-silent-giant-killed-charlottesville-helicopter-crash/
4:52 can’t see any bleeding or blood though they are certainly acting like the leg is bleeding:
https://m.youtube.com/watch?v=GAGh3USykUA