in the evening events at Berlusconi's residence) to speak in favor of Berlusconi, had been started by his two defending lawyers, Niccolò Ghedini and Piero Longo, in the aftermath of the opened police investigation on 15 January 2011. In addition the Mediaset journalist Silvia Trevaini had allegedly been bribed, not only by the same monthly fee but also by extra gifts equal to €800,000. Finally Ruby, in particular, had been promised by Berlusconi "a huge reward if she would keep quiet or otherwise make him mad", and Ruby had replied she was "waiting for €5 million". On 23 January 2014, the public prosecutor Edmondo Bruti Liberati asked for a legal case to be opened for a preliminary hearing. Illegal financing of the political party Italians in the World – on 16 April 2014, the Naples prosecutor deposited new documents in which Berlusconi is under investigation for the crime in recent years of illegal financing of the political party Italians in the World, being led by ex-Senator Sergio De Gregorio. This process was under investigation, with a preliminary hearing to decide if an court indictment shall be filed. Cases with final convictions , Berlusconi has only been convicted by the final appeal instance in 1 out of 32 court cases. Tax-fraud conviction in Mediaset trial (1988–98) The Mediaset trial was launched in April 2005, with indictment of fourteen people (including Berlusconi) for having committed false accounting and embezzlement to mask payments of substantial black funds, committed in 1988–94; and tax fraud equal in total to more than €62 million (120 billion of Italian lire), committed in 1988–98. Both indictments were related to achievement of personal tax evasion, through illicit trade of movie rights between Mediaset and secret fictive foreign companies situated in tax haven nations, causing fictive losses for Mediaset, with the trade gains being accumulated by the foreign companies owned by the indicted tax fraudsters, who ultimately had the gains paid out as personal profit without paying tax in Italy. In 2007, the court case at first-instance had not yet been launched, and the prosecutors dropped the (A) charges against Berlusconi due to the statute of limitations, and for the same reason the (B) charges were narrowed down to the 1994–98 period, in which the prosecutor charged Berlusconi for having committed a personal tax evasion of €7.3 million. On 26 October 2012, Berlusconi was sentenced to four years of punishment