"... Bell then goes on to further specify the protocol of the assassination market in more detail. In the final part of his essay, Bell posits a market that is largely non-anonymous. He contrasts this version with the one previously described.  Carl Johnson's attempt to popularise the concept of assassination politics appeared to rely on the earlier version.[6] There followed an attempt to popularise the second in 2001 that is ongoing today..." https://en.wikipedia.org/wiki/Assassination_market