's partment just before the train drew into Lyons。 There was a look on his face … ah！ at the moment I could not understand it … a look haunted and terrible。 I shall never forget it。〃
Her voice rose shrilly； and she flung out her arms in an extravagant gesture。
〃Quite so；〃 said M。 Carrege。
〃Afterwards； when I found that Madame Kettering was dead when the train left Lyons； then … then I knew！〃
〃And still … you did not go to the police； Mademoiselle；〃 said the missary mildly。
Mirelle glanced at him superbly； she was clearly enjoying herself in the role she was playing。
〃Shall I betray my lover？〃 she asked。 〃Ah no； do not ask a woman to do that。〃
〃Yet now …〃 hinted M。 Caux。
〃Now it is different。 He has betrayed me！ Shall I suffer that in silence？〃
The Examining Magistrate checked her。
〃Quite so； quite so；〃 he murmured soothingly。
〃And now； Mademoiselle； perhaps you will read over the statement of what you have told us； see that it is correct； and sign it。〃
Mirelle wasted no time on the document。
〃Yes； yes；〃 she said； 〃it is correct。〃 She rose to her feet。 〃You require me no longer； Messieurs？〃
〃At present； no； Mademoiselle。〃
〃And Dereek will be arrested？〃
〃At once； Mademoiselle。〃
Mirelle laughed cruelly and drew her fur draperies closer about her。
〃He should have thought of this before he insulted me；〃 she cried。
〃There is one little matter …〃 Poirot coughed apologetically … 〃just a matter of detail。〃
〃Yes？〃
〃What makes you think Madame Kettering was dead when the train left Lyons？〃
Mirelle stared。
〃But she was dead。〃
〃Was she？〃
〃Yes； of course。 I …〃
She came to an abrupt stop。 Poirot was regard