This was announced by prosecutor of the PGO Vladyslav Kutsenko on air of 112 Ukraine TV channel, Censor.NET informs.
"I believe that if there is pressure (during the interrogation - ed.), then Vitalii Kasko - the man who knows this all - should have immediately addressed NABU with a statement that he had been pressured by investigator or prosecutor. That would be logical and normal," he noted.
Kutsenko also said that Kasko is summoned as a witness on Thursday.
"As long as he no longer works in the PGO, our colleagues that took over international cooperation have some questions to ask," the prosecutor informed.
Related materials: Kasko case