A French court has sentenced a Russian national believed to have masterminded a fraudulent cryptocurrency operation that allegedly laundered more than US$9 billion for international organized crime groups.

The husband of a whistleblower who provided evidence of alleged corruption to slain Maltese journalist Daphne Caruana Galizia was released on Tuesday, one day after police arrested him following a request from Cyprus' authorities. 

The job of Greece’s top anti-corruption prosecutor, Eleni Touloupaki, is hanging by a thread.

Greece’s anti-corruption prosecutor, Eleni Touloupaki, confirmed to OCCRP on Monday that her house in Athens was broken into over the weekend, and that she sees it as “a message to all the prosecutors and judges who have been fighting against corruption over the last several years.”

A Montenegrin and a Serbian with ties to a criminal clan were killed last week in an ambush near a villa they had been renting at Halikouna village on the south of the Greek island of Corfu.

It was to be a bright research project, led by “a promising young scientist” that involved more than 40 researchers worldwide, but it turned out to be an unusual scam.

Investigators in more than 15 countries have seized almost 36 million units of medical drugs in a coordinated sting on European groups trafficking black market and counterfeit medications.  

Several Montenegrin citizens have been detained when authorities of the Caribbean island of Aruba intercepted earlier this week a ship carrying tons of cocaine destined for Europe, Montenegro’s Police Directorate told OCCRP on Thursday.

A group of young Azerbaijani men spent two million euros (US$2.2 million) on a 19-day-vacation on Mykonos, one of the most expensive islands in Greece. The big spenders are children of Azeris linked to the country’s gas companies, according to Greece's SKAI TV channel.

The two-month-old Greek government of Prime Minister Kyriakos Mitsotakis appointed on Wednesday Angelos Binis - a man with no political background - as the head of the newly created anti-graft body, theGreek City Times reported.

A tug-of-war over a Russian citizen detained in Greece sheds light on a global struggle over policing the multi-billion-dollar cryptocurrency sector.

Authorities on Tuesday night ordered the detention of Greece’s former defense minister and his wife as he awaits trial over charges of taking kickbacks from arms procurement deals in the early 2000s and laundering the money, Reuters reported.

One of the masterminds behind the 2015 migrant smuggling network along the Western Balkan route and his accomplice were arrested in Athens, the Hellenic Police said on Monday.

A Greek court sent four leaders of an international migrant smuggling ring to jail for 1,400 years after police found and rescued 112 migrants from a cave and farm buildings in southern Crete a year ago, the UK National Crime Agency announced on Wednesday.

Maria Efimova, the former bank employee turned whistleblower in a corruption scandal involving the Maltese prime minister and the Panama Papers, turned herself over to police in Athens on Monday.

The Council of Europe has told Greece to improve anti-graft efforts in the legislative and judicial branches and to enhance transparency of party financing, according to two reports released Thursday.

The EU's migration chief has branded Greek prosecutors “perjurers” after he was named in a major corruption investigation into whether top politicians were paid bribes in exchange for fixing the price of various medicines.

On Wednesday, a Greek court showed support for Russia in a US-Russia legal tug-of-war over the alleged mastermind behind a $4 billion bitcoin money-laundering scheme, reported Reuters.

A Greek court gave the green light Wednesday for the extradition of Russian bitcoin fraud suspect Alexander Vinnik to the United States, Reuters reported.

Brazilian authorities expanded Friday their mammoth corruption investigation, Operation Car Wash, to include at least five Greek shipping companies, a US asphalt firm and a Brazilian ex-congressman.