Political Activist Fred Hampton, Jr. Criticizes Jay-Z Over Lyrics, Calls Him “Slave-Z”Political Activist Fred Hampton, Jr. Criticizes Jay-Z Over Lyrics, Calls Him “Slave-Z”Political activist Fred Hampton, Jr. scolds Jay-Z for line about his late father on "Murder to Excellence" track, calls Hov "Slave-Z"mlelinwallamlelinwalla