midnight
He remembered now that in his drunken sleep he had heard voices in angry altercation . Yet why had n't he called for assistance ? Perhaps he had and he had n't heard him . He looked at the clock , and was surprised to find it was not yet midnight . He believed it was at least five o'clock in the morning . It was evident that Underwood had never gone to bed . The shooting had occurred either while the angry dispute was going on or after the unknown visitor had departed .