Robert Harley , 1st Earl of Oxford and Earl Mortimer , brokered his release in exchange for Defoe 's co-operation as an intelligence agent for the Tories .
After his three days in the pillory , Defoe went into Newgate Prison .
Robert Harley , 1st Earl of Oxford and Earl Mortimer , brokered Defoe 's release in exchange Defoe Defoe 's co-operation as an intelligence agent for the Tories .
After his three days in the pillory , Defoe went into Newgate Prison .