The High Anti-Corruption Court sentenced in absentia former Ukrainian lawmaker Oleksandr Onyshchenko to 15 years in prison with a confiscation of property, the National Anti-Corruption Bureau of Ukraine (NABU) said on April 5. Onyshchenko was found guilty of organizing the so-called “gas scheme,” one of the largest corruption schemes in Ukraine’s history, which caused losses to the country in the total amount of about Hr 3 billion ($76.5 million). Onyshchenko headed a criminal group that embezzled more than Hr 1.6 billion ($40.8 million) from the sale of natural gas between January 2013 and Ju…