Spanish police launched a nationwide operation Friday against a Russian mafia gang and detained 20 suspects, according to police sources.The "Operation Troika," ordered by Judge Baltasar Garzon, took place on Baleares Islands, Andalucia, Valencian Community and Madrid.The police found more than 500 bank accounts and hundreds of bogus companies which are supposedly used by mafia members to launder money in countries such as Switzerland and Panama.The detainees are accused of murdering, weapon and drug trafficking, extortion and other crimes, police said.
The gang, which is called Tambovskaya-Malyshevkaya, is considered one of the major Russian mafia groups.