Every year I go through the candy wondering what I should be looking for - errant razor blades sticking out of snickers bars and the like.
This year though, you should check for chocolate made in China like the Pirate coins noted here on snopes:
http://www.snopes.com/food/warnings/coins.asp
It does say none were vended in the USA. The warning is for Canada. Still, if I found any of the pirate coins, I would toss them. Why take chances.