Rolf Harris is found guilty in a Britain court of 12 charges of sexual abuse . 84-year-old musician and artist painted portrait of Queen for monarch 's 80th birthday in 2006 . Offenses Harris committed against 12 women took place as far back as 2006 . Rolf Harris charged under Operation Yewtree investigating abuse allegations by public figures .
Rolf Harris is found guilty in a London court of 12 charges of sexual abuse . 84-year-old musician and artist painted portrait of Queen for monarch 's 80th birthday in 2006 . Offenses Harris committed against four women took place as far back as 1970 . Harris charged under Operation Yewtree investigating abuse allegations by public figures .