Marcelo Caetano and his ministers discussed the report on 18 August 1973 .
Marcelo Caetano and his ministers instead decided to appoint another military investigation which once again alleged that Wiriyamu did not exist .
Marcelo Caetano and his ministers discussed the report on 18 August 1973 and instead decided to appoint another military investigation which once again alleged that Wiriyamu did not exist .