midnight on Monday
`` My sister was taught in a French convent , and she is an excellent seamstress , when she is n't drunk , as Mrs. McIntyre knows . '' `` See here , Sylvester , '' Clymer broke his long silence . `` You were in the police court on a charge of assault and battery brought by your wife on Tuesday morning , and you were in the prisoner 's cage at the moment Turnbull died . How then was it possible for you to be at the McIntyre 's at midnight on Monday ? '' `` I was out on bail and appeared in the courtroom just in time for my trial , '' Sylvester explained . `` I did not have to sit in the cage , but recognizing Turnbull I went there to be with him . '' Kent placed the forged check bearing Margaret Brewster 's signature on the desk .