What other “motives” could there possibly be other than political? Did he owe the Russian mob money? Highly improbable.

Russian officials say several possible lines of investigation in Nemtsov murder case including political motives - @interfax_news
end of alert

Heap of flowers now at the spot where Nemtsov was shot dead; people coming all the time. pic.twitter.com/hWRvJhfr5h

— Sarah Rainsford (@sarahrainsford) February 28, 2015