NEW : New video proves Bhutto shot , widower says . Doctors claim Pakistani police prevented an autopsy on Bhutto . Lawyer Bhutto said the move violated Pakistani criminal law . Police chief Bhutto said he suggested autopsy but Athar Minallah 's widower objected .
NEW : New video proves Bhutto shot , widower says . Doctors claim Pakistani police prevented an autopsy on Benazir Bhutto . Lawyer Athar Minallah said the move violated Pakistani criminal law . Police chief Aziz Saud said he suggested autopsy but Bhutto 's widower objected .