valletta magistrate tuesday charge three men murder car-bomb blast kill anti-corruption journalist daphne caruana galizia court officials say caruana galizia die instantly car blow drive home oct. 16 kill shock malta raise concern within european union rule law tiny mediterranean island three plead guilty arraignment attend husband peter caruana galizia men name vince muscat brothers alfred george degiorgio immediately clear whether police think act hit men work others caruana galizia write popular blog relentlessly highlight case allege graft target politicians color include prime minister joseph muscat vince muscat relative police arrest 10 men monday connection investigation kill seven release bail close friend caruana galizia tell reuters think journalist ever investigate three men charge tuesday write government officials politicians wealthy business type friend say decline name sensitivity case malta government offer million euro reward lead information murder also call u.s. federal bureau investigation europol assist investigations maltese media say investigators home suspect follow telephone intercept know triangulation data include call mobile phone trigger car bomb malta small nation european union engulf wave graft scandals recent months include accusations money launder influence peddle government deny caruana galizia expose many case love readers fearless anti-corruption crusader critics saw muck-raking fantasist hit 36 libel lawsuits nine months precede death much criticism level prime minister muscat leftist labour party power 2013 nearly quarter century uninterrupted rule conservative nationalist party months death also regularly target senior nationalist figure italian newspapers speculate might fall foul men make fortune smuggle fuel lawless libya however friend say never look illegal trade mention blog relate article already publish elsewhere three charge malta murder anti-corruption journalist