Charlotte Blacklock’s exposure

Charlotte Blacklock’s exposure comes through a carefully staged test rather than a confession or a piece of physical evidence. With the case still unproved, Jane Marple arranges for Mitzi to suggest that she saw Charlotte with a revolver behind Rudi Scherz during the shooting at Little Paddocks. The plan makes Charlotte believe that Mitzi can identify her, while the investigators appear to suspect someone else. When Charlotte moves to silence Mitzi, Marple and Sergeant Fletcher are in place to witness what happens; Marple’s imitation of Dora Bunner’s voice then helps bring Charlotte to pieces.

The need for a trap

Marple explains that she had come to see how the separate clues formed a pattern, but the recognition did not itself provide proof. She judged that something had to be done quickly and spoke to Sergeant Fletcher about a possible plan. Fletcher agreed without first reporting it to Dermot Craddock, drawing a rebuke from the inspector when the plan is later recounted. Marple’s decision therefore carries both urgency and procedural risk: the police still need evidence, but the chance to obtain it may not last.

The immediate danger is that Miss Murgatroyd might tell what she had realized about the night of the shooting. Marple describes a narrow interval in which Charlotte could act before that explanation reached others. The wider investigation is also closing in: Julia’s identity has been revealed, Charlotte has broken her pearls and fears that her scar may be noticed, and Craddock has announced that he is bringing everyone together. Marple presents these pressures as leaving Charlotte increasingly cornered, with Mitzi becoming the next perceived threat.

Mitzi’s staged revelation

At Little Paddocks, Marple gets Mitzi to take part in the plan. Mitzi is to appear to admit that blackmail had crossed her mind, then seem frightened enough to tell the truth: that she had seen Charlotte in the hall with a revolver behind Rudi Scherz. The account Mitzi is meant to give corresponds to what had actually taken place, but Marple recognizes a weakness in the supposed observation. Mitzi had looked through the dining-room keyhole, and the key was in it; Charlotte might realize that this made the claimed view impossible.

Marple nevertheless counts on the shock of the moment to prevent Charlotte from calmly examining that inconsistency. The trap depends on Charlotte reacting first to the apparent fact that Mitzi has seen her. Thus Mitzi’s staged revelation is not offered as reliable testimony: it is bait, designed to make Charlotte act as if the danger were real. The distinction between what Mitzi truly witnessed and what she is made to claim is central to the plan’s leverage.

The accusation and the isolation of Charlotte

Craddock takes over the explanation of the next move. He pretends to receive Mitzi’s account sceptically, then turns at once to accuse Edmund Swettenham, who has not previously been a suspect. Edmund plays his assigned part by denying the accusation. The performance temporarily redirects suspicion and helps conceal the purpose of the staged scene from Charlotte.

The false accusation matters because it leaves Mitzi apparently isolated as the one person who knows the truth. The police seem to have dismissed her as a liar, while their suspicions appear to be elsewhere. But Marple and Craddock understand that if Mitzi persists, the investigators may eventually listen to her. Charlotte, believing that the danger rests with Mitzi alone, is therefore more likely to act against her than to wait for the police to reconsider the evidence. The plan turns the appearance of police scepticism into part of the pressure on Charlotte.

The kitchen confrontation

Mitzi leaves the room and returns to the kitchen as Marple has instructed. Charlotte follows almost immediately. Mitzi appears to be alone, but Fletcher is behind the scullery door and Marple is concealed in the broom cupboard. Marple says she wanted two people present for safety and because she knew she could imitate Dora Bunner’s voice. The hidden observers make the confrontation a test with witnesses rather than an unmonitored encounter.

Marple had anticipated two possible outcomes: Charlotte might offer Mitzi money to keep silent, giving Fletcher evidence of an attempt to influence her, or she might try to kill Mitzi. The second possibility reflects Marple’s assessment that Charlotte is no longer reasoning calmly under pressure. Charlotte’s exposure is therefore prepared around either a revealing offer or a more direct effort to prevent Mitzi from speaking.

The voice that breaks the performance

The decisive emotional turn comes when Marple uses her ability to mimic Dora Bunner. The recollection identifies the imitation as the element that helps break Charlotte down: after Marple’s intervention, Charlotte goes to pieces. The account does not present the voice as independent proof of the shooting; its force lies in what it does to Charlotte at the moment when she believes Mitzi may expose her and the police may be listening.

The scene brings several strands of the investigation together: Marple’s interpretation of the clues, Mitzi’s role as apparent witness, Craddock’s deliberate misdirection, Fletcher’s hidden presence, and Marple’s imitation of Dora. Charlotte’s exposure is achieved by coordinating what each person seems to know with what Charlotte fears they know. The trap turns her own effort to contain the danger into the final confirmation that Marple’s urgent plan has worked.