Sergey_KGB recently posted on the particle physics forum. He wanted to avoid political discussion and focus on the technical issues of the Alexander Litvinenko assassination. I'm more interested in the political/social aspects of the use of science and technology to kill human beings and steal their wealth. Personally I think this is bad and needs to be stopped, but my beliefs on this are mostly religious. So is there any scientific reason to limit extrajudicial killings, be they polonium poisonings or drone strikes? Is there anything the scientific community can or should do to limit this sort of behavior?