Jacek Nizinkiewicz: PiS does not answer crucial questions about the death of Barbara Skrzypek

Barbara Skrzypek was Jarosław Kaczyński's closest collaborator for years. The president of the Law and Justice organization had contact with her until the end, even erstwhile she testified in a case that may incriminate him. What did "Mrs. Basia" know and what did she tell the investigators?