Dear sajansajan, ur analysis is appreciable but these brutal killings do not auger well. Somehow it looks like Americans are finding it hard to digest that Indians are doing so well in their home country. It is inferiority complex in them which is resulting into such kind of incidents.I bet u will find rise in these kind of incidents now...one more thing, u don't kill people for thier children being unruly & misbehaved or they are sex starved.