13 A photograph from the special counsel report indicating where classified documents were found in the garage of Biden’s Wilmington home. DOJ13 Biden’s office in the Penn Biden Center where additional classified documents were discovered. Joe Biden's classified documents probe report Special counsel Robert Hur determined that President Biden “willfully retained and disclosed classified materials” after leaving office as vice president in 2016. View this document on Scribd Biden kept the classified documents in part to assist with the writing of his memoirs. Biden first publicly acknowledged the discovery of classified documents at the Penn Biden Center at a Jan. 10 press conference in Mexico City.