Fighting corruption has been a goal for Ukraine's government ever since a 2014 revolution toppled a Russian-backed leader and fueled Ukrainians' hope for a European future.
But now, according to Kyiv's top anti-graft cop, it's a matter of sheer survival as the country battles against Russia's invasion.
"Corruption is no longer seen as a just a crime, but as a crime against national security," said Semen Kryvonos, head of the National Anti-Corruption Bureau of Ukraine (NABU).