midnight
Now , will ta go ? Here 's a shilling , it 's a ' I hev . '' Terrified and hurried , he did the worst possible thing for his own case -- he fled , as Dolly advised , and was almost immediately followed and taken prisoner . In fact , he had been under surveillance , even before Bingley left his house at midnight . Suspicion had been aroused by a very simple incident . Mary Clough had noticed that a stone jar , which had stood in one of the windows of the mill ever since it had been closed , was removed . In that listless way which apparently trivial things have of arresting the attention , this jar had attracted Mary until it had become a part of the closed mill to her .