midnight
Wimble offered to help him , and for three nights they talked mysteriously about the crime , mentioning more plotters , while Mrs. Cal hung on the line with her eyes bulging out , and confided the secret to all the friends she had . Finally on Friday night , Policeman Costello , who was in the deal , told Clayt that the expected had happened and that Mrs. Saunders had told him about the horrible incendiary plot which was being hatched . Saturday night came , and Costello refused to go to Clayt 's store unless Mrs. Saunders would come and denounce the villains , who were among our most respected citizens . So Mrs. Saunders finally agreed , in fear and trembling , and , taking a couple of her firmest friends , she led Policeman Costello down to Clayt 's restaurant at midnight , and , sure enough , there was a light in the back part . Costello burst open the door , and when they all rushed down on the scene of the crime , they found Clayt and half a dozen of us manfully smoking up a box of stogies which a slick traveling man had unloaded on him . Mrs. Saunders insisted that crime was about to be committed and got so excited that she repeated Clayt 's exact words -- in the middle of which a great light came to her , and she said she was going home . `` I think you had better , '' said Clayt , `` and I 'll tell you something more .