But it is the kidnappings and the assassinations that create the most fear. These days, being associated with Americans is to invite being targeted, humanitarian workers say. Nobody interviewed for this article would identify themselves.
"What are you going to do? You have to do the work," said one western NGO worker. "There's a lot of need. It can be met other ways, but we have expertise. And we want to be able to use that expertise."
Vance, like many others, was trying to do that. As one colleague said today, "He believed in bringing a positive change, and he never believed he would be harmed."