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Trent’s Last Case · Chapter

IX: A Hot Scent explained

Trent, in his hotel sitting-room, develops photographs and conducts a fingerprint analysis with Mr.

What happens

Trent, in his hotel sitting-room, develops photographs and conducts a fingerprint analysis with Mr. Cupples. He reveals that he has matched fingerprints from a glass bowl in Manderson's room (used for his false teeth) with prints photographed from Mrs. Manderson's bedroom window. Trent becomes visibly disturbed by the implications, hinting at a painful discovery, and declines to explain further to Cupples.

Themes in this chapter

  • Justice and Truth

    Trent's forensic work uncovers a troubling fact that may lead to painful consequences, highlighting the tension between uncovering truth and protecting individuals.

  • Appearance vs. Reality

    The seemingly ordinary glass bowl and window yield hidden fingerprints, revealing concealed truths beneath surface appearances.

Characters to notice

  • Philip Trent

    Trent is intensely focused on developing negatives and conducting fingerprint analysis. He appears pale and nervous, and is deeply troubled by his findings.

  • Nathaniel Burton Cupples

    Cupples visits Trent to thank him for assisting Mrs. Manderson at the inquest. He observes Trent's work with curiosity but is left bewildered by Trent's cryptic reaction.

  • Mabel Manderson

    Mentioned as having felt ill after leaving the witness box at the inquest, but is now recovered. Trent's investigation involves prints from her bedroom window.

  • Sigsbee Manderson

    The deceased; his fingerprint is suggested to be on the bowl used for his false teeth, which Trent has taken from his room.

Key passages

  • I have come upon a fact that looks too much like having very painful consequences if it is discovered by anyone else.

    Trent has discovered something that could cause great harm if revealed.

    Trent hints at a morally troubling revelation from his fingerprint analysis.

  • The human hand, even when quite clean, is never quite dry, and sometimes—in moments of great anxiety, for instance, Cupples—it is very moist.

    Even clean hands leave moisture, especially when anxious, which can leave fingerprints.

    Trent explains the science behind latent fingerprints to Cupples.

Trent’s Last Case — IX: A Hot Scent Explained