midnight
`` That , as I have said , is a Government secret . '' `` But you stated you are not in the Government employ , therefore it can be no breach of confidence if you let me have full particulars . '' `` I suppose not . Very well , then , the explosion occurred after midnight on the seventeenth in the vault of the Treasury . '' The old man , in spite of the prohibition , rose uncertainly to his feet . Jennie sprang up and said menacingly , `` Stay where you are ! '' `` I am not going to touch you .