On a leafy side street off Independence Square in Kiev is an office used for years by Donald J. Trump’s campaign chairman, Paul Manafort, when he consulted for Ukraine’s ruling political party. His furniture and personal items were still there as recently as May.
And Mr. Manafort’s presence remains elsewhere here in the capital, where government investigators examining secret records have found his name, as well as companies he sought business with, as they try to untangle a corrupt network they say was used to loot Ukrainian assets and influence elections during the administration of Mr. Manafort’s main client, former President
Viktor F. Yanukovych.
Handwritten ledgers show $12.7 million in undisclosed cash payments designated for Mr. Manafort from Mr. Yanukovych’s pro-Russian political party from 2007 to 2012, according to Ukraine’s newly formed National Anti-Corruption Bureau. Investigators assert that the disbursements were part of an illegal off-the-books system whose recipients also included election officials...