Mystery at Lynden Sands · Chapter
XVII: The Threads in the Case explained
Sir Clinton Driffield unravels the complex threads of the investigation, explaining the reasoning behind his deductions.
What happens
Sir Clinton Driffield unravels the complex threads of the investigation, explaining the reasoning behind his deductions. He discusses the two-man job at Peter Hay's murder, the possible motives of Paul Fordingbridge and the claimant, the significance of the missing diary, and the Staveley murder. He also outlines his theory that Staveley swapped identities with Derek Fordingbridge during the war, leading to the fraudulent claim on the Foxhills estate.
Themes in this chapter
Identity and Deception
The chapter explores the fraudulent claim to the Fordingbridge estate, the swapping of identities during the war, and the use of deception by multiple characters.
Murder and Motive
The motives behind the murders of Peter Hay and Nicholas Staveley are dissected, focusing on financial gain and the removal of witnesses.
Justice and Investigation
Sir Clinton's methodical reasoning and the process of eliminating suspects are central, highlighting the pursuit of justice through circumstantial evidence.
Characters to notice
- Sir Clinton Driffield
Delivers a detailed analysis of the case, explaining his investigative reasoning and the motives of various suspects.
- Mr. Wendover
Interjects with questions and comments, expressing surprise at Sir Clinton's suspicions of young Fleetwood.
- Paul Fordingbridge
Discussed as a possible suspect; his lack of interest in investigating the claim and his attitude toward Peter Hay's death are noted.
- Miss Fordingbridge
Her identification of the claimant is compared to the Tichborne case, and her spiritualist beliefs are mentioned as potentially discounting her testimony.
- Nick Staveley
His murder is analyzed; Sir Clinton theorizes that he swapped identities with Derek Fordingbridge during the war.
- Mr. Cargill
Identified as the mastermind behind the fraudulent claim, using his brother as the claimant and Staveley as a source of information.
Key passages
“You remember how Roger Tichborne’s mother identified Arthur Orton as her son, and stuck to it through thick and thin. Hallucinations of that sort do occur.”
Sir Clinton compares Miss Fordingbridge's identification of the claimant to the Tichborne case, suggesting that such mistaken identifications can happen due to wishful thinking.
Used to cast doubt on the reliability of Miss Fordingbridge's identification.
“Many murderers are most amiable persons—Crippen, for example. ‘A fair field and no favour’ is the only motto for a conscientious detective.”
Sir Clinton argues that personal likability should not exclude someone from suspicion, citing the example of the amiable murderer Crippen.
Defends his impartial approach to suspecting even those he likes.
“Suppose the claimant was an impostor, and see where that leads you. ... On the other hand, suppose the boot’s on the other foot. Assume that Paul Fordingbridge had some very strong reason for wishing to retain control over the funds.”
Sir Clinton presents two competing theories: either the claimant is a fraud, or Paul Fordingbridge is a dishonest trustee, showing the dual possibilities in the case.
Illustrates the symmetrical motives of both parties in the inheritance dispute.