Tell that to these guys:
http://www.freerepublic.com/focus/f-news/2979959/posts
Assassination Attempt on Bulgarian Opposition Leader Ahmed Dogan (MRF)
Thanks for making my point: the would-be assassin needed to get close, went for a lethal head shot, but his gun failed (or he failed to load/use it properly). Having failed and being on stage in front of everyone he was easily overpowered and detained.