Illinois Democratic Gov. J.B. Pritzker said Wednesday he has "no concerns at all" about a media report that federal authorities are investigating a property tax break he got by taking toilets out of a Chicago mansion he owns.

Democratic Illinois Gov. JB Pritzker, his wife and his brother-in-law are under federal criminal investigation for a dubious residential property tax appeal that dogged him during his gubernatorial campaign last year, WBEZ has learned.