7:45
There he turned right on Lexington , followed Lexington to Oak , down Oak and so by way of Lincoln back to Maple again and to his home . He did n't walk fast . He took his time . He always returned to his front door at exactly 7:45 . No one ever stopped to talk with him . Even the man at the Red Star confectionery , where he bought his cigar , remained silent while the purchase was being made . Mr. Chambers merely tapped on the glass top of the counter with a coin , the man reached in and brought forth the box , and Mr. Chambers took his cigar .