According to Shokin? Shokin has zero credibility.

"This is not a scandal of Kiev’s making – or asking. Many Ukrainians are surprised to see the name of Burisma pushed to international front pages. They are even more astonished at seeing their former chief prosecutor portrayed as an anti-corruption warrior.

“We were very angry that three separate general prosecutors failed to investigate Burisma properly,” says Daria Kaleniuk, the founder of Ukraine’s Anti-Corruption Action Centre, an organisation that has examined Burisma’s dealings in forensic detail. “But we are frankly amazed that a corrupt prosecutor is now being described [by Donald Trump] as a good prosecutor.”