Snipers toss the grenade or make the shot and duck behind the tree, says authors Rick Brinkman and Rick Kirschner in their excellent book, Dealing with People You Can’t Stand: How to Bring Out the Best in People at the Worst.
People snipe because they are angry about how things turned out, and they carry a grudge against the people who were involved. Some people snipe as a way to undermine anyone who might interfere with their plans. And some people snipe just to get attention. Snipers are task focused and their intent is to get it done, get attention, or get appreciation.
Read more about how to deal with them at: