Did Russian mafia kill MI6 Gareth Williams, who was developing secret technology to track gangsters' laundered cash

http://www.dailymail.co.uk/news/article-2008187/Did-Russian-mafia-kill-body-bag-spy-MI6-man-Gareth-Williams-dead-holdall-London-developing-secret-technology-track-gangsters-laundered-cash.html?ITO=1490

The MI6 agent found dead in a holdall at his London flat was working on secret technology to target Russian criminal gangs who launder stolen money through Britain.

The revelation adds weight to claims that Gareth Williams was killed because of his secret work and raises the possibility that the Russian mafia has targeted British spies.