Jailed tycoon Igor Kolomoysky reportedly cooperated with Western-backed investigators to take down the Ukrainian leader The anti-corruption probe currently roiling the Ukrainian government may have received behind-the-scenes support from billionaire Igor Kolomoysky, the Ukrainian outlet Strana claimed on Thursday. Kolomoysky's media empire helped launch Vladimir Zelensky’s political career. The Western-backed National Anti-Corruption Bureau (NABU) recently charged businessman Timur Mindich and