Thus Conan the informal investigation of the case lay down Mouri with his watch to tells everyone that the culprit was the maid , who killed them because they made her father commit suicide .
Then Conan detect the unusual point of the Crime Scene where son died .
Thus Conan the informal investigation of the case lay down Mouri with Conan 's watch to tells everyone that the culprit was the maid , who killed them because they made her father commit suicide .
Then Conan detect the unusual point of the Crime Scene where son died .