Jędrzejewski in Nowak's investigation. What does a whistleblower have in common with a erstwhile minister?

The name of the doctor who charges Dawid Kacprzyk appears in the corruption investigation of the erstwhile politician of the Civic Platform, Sławomir Nowak, informs Rzeczpospolita. According to investigators, the politician was expected to incite Emil Jędrzejewski to issue a false medical certificate.