midnight
`` You made no attempt , then , to trace the maid ? '' `` Oh yes , we did . We found the cabman who took her from Claridge 's , and he left her at Charing Cross Station , but there all trace of her vanishes . She probably left on one of the late trains -- there are only a few after midnight -- to some place out in the country . The lady took a first-class ticket to Paris , and departed alone next morning by the eight o'clock Continental express . My assistant discovered her and took a snapshot of her as she was walking down the boulevard ; here is the picture . '' The detective handed Miss Baxter an instantaneous view of one of the boulevards taken in bright sunshine .