Why does U.S. and E.U.

Why do U.S. and E.U. authorities care so much about Russians killing some annoying Jew, who spied for U.S. government?

http://en.wikipedia.org/wiki/Sergei_Magnitsky#Increasing_international_tension

I think the more Jews Russians kill - the better. People here in Russia want Jews dead, on domestic and social level, so that is democratic.

Because America wants to start a war with Russia.