The Economic Crime Unit (Yalak) in Lahav 433 detained a well-known businessman and real estate developer from the southern region this morning (Tuesday) - this is part of a serious economic affair, which is currently being investigated by the National Economic Crime Unit (Yalak) in Lahav 433, for offenses of extortion by threats, money laundering, receiving something by fraud and other offenses committed using fictitious invoices for criminal organizations. The suspicion was examined that fictitious invoices were used in his business, although it is still unclear whether he knew about this or not. The affair was revealed when Lahav 433 investigators, in a joint operation with Tax Authority investigators, arrested 21 suspects, including businessmen and criminals, on suspicion of their involvement in an affair related to tax evasion, distribution of fictitious invoices and other tax offenses estimated at half a billion shekels. The Rishon Lezion Magistrate's Court yesterday once again extended the detention of three Key suspects in the case for eight days. The arrest of the main suspect in the case was also extended by eight days. One of the suspects in the affair is Yoram Katsav, brother of former President Moshe Katsav.