There is a persistent myth, even among military members, that certain types of rounds can kill a human without actually impacting. Myths like "it can snap your neck as it passes by" or "it can tear your arm off if it passes near you". Most examples I've heard deal with .50 caliber sniper rounds, although I've also heard the same about the A-10 Warthog's 30mm rounds. Any validity at all? What about artillery or other types of munitions killing by merely passing near a target on its flight path?
I think there's an episode of Mythbusters that disproves the .50 BMG killing by pressure waves claim. They shot several times through a narrow corridor of glass cups and not even one broke because of the alleged pressure waves from the travelling bullet.
EDIT: Here's a link for a description of this specific episode http://en.wikipedia.org/wiki/MythBusters_(2009_season)#Sonic_Boom_Sound-off