The article provides the details on some "explosive revelations from a former Greek diplomat". Blackwater denies their collusion with the Greek government, but why should we believe them?
Chrysanthopoulos says that the government has hired Blackwater, the American private military firm infamous for its activities in Iraq, which now goes by the name "Academi", along with five other international for-profit security outfits. Explaining why this has happened, he says bluntly: “The Greek government does not trust the police whose salaries have also been cut."