The Ponson Case · Chapter
XIII: Blackmail? explained
Inspector Tanner meets with solicitor Jimmy Daunt, who reveals that Cosgrove Ponson's alibi is a fake and that Cosgrove was at the boathouse the night of the murder.
What happens
Inspector Tanner meets with solicitor Jimmy Daunt, who reveals that Cosgrove Ponson's alibi is a fake and that Cosgrove was at the boathouse the night of the murder. Tanner shares his own discoveries from Portugal, including the arrest of William Douglas. Daunt becomes troubled by Austin's lies about meeting Sir William, and Tanner explores the possibility of blackmail as a motive, though he finds inconsistencies. A police report links Douglas to a churchyard in Gateshead connected to Sir William's wife's first husband, Dale.
Themes in this chapter
Deception and Identity
Cosgrove's alibi is revealed as a fake, Austin lies about meeting Sir William, and the characters' true involvements are obscured by false statements.
Secrecy and Blackmail
Tanner explores the theory that Douglas may have been blackmailing Sir William, though he finds difficulties with the idea.
Justice and Investigation
Tanner and Daunt collaborate to verify evidence, challenge alibis, and piece together the conspiracy, highlighting the investigative process.
Characters to notice
- Inspector Tanner
Returns to Scotland Yard, meets with Daunt, learns Cosgrove's alibi is fake, recounts his Portuguese expedition and arrest of William Douglas, and theorizes about a conspiracy or blackmail.
- Jimmy Daunt
Reveals to Tanner that Cosgrove's alibi is fake, shares his and Lois's investigation, becomes troubled by Austin's lies about meeting Sir William, and tests Austin with news of Douglas's arrest.
- Cosgrove Ponson
His alibi is proven fake by Daunt and Lois; Tanner now suspects he was at the boathouse and may be involved in a conspiracy.
- Austin Ponson
Arrested then cleared again; Daunt discovers he lied about meeting Sir William for lunch, and he reacts with consternation to news of Douglas's arrest.
- William Douglas
Arrested by Tanner in Portugal; his footmarks were found at the boathouse, and a photograph links him to a Gateshead churchyard connected to Sir William's wife's first husband.
- Sir William Ponson
Mentioned as having lunched with Austin and Cosgrove, visited Douglas, and possibly involved in a blackmail scheme.
- Lois Drew
Referenced as having worked with Daunt to expose Cosgrove's alibi; Tanner acknowledges her as 'that splendid girl'.
- Chief Inspector Edgar
Instructs Tanner to meet with Daunt regarding important evidence in the Ponson case.
Key passages
“It's a fake,' said Jimmy quietly.”
Jimmy Daunt calmly declares that Cosgrove's alibi is false.
Daunt reveals the key discovery that undermines Cosgrove's defense.
“There's no doubt it's sound.' 'It's you that have made the mistake,' Daunt answered pleasantly.”
Tanner insists the alibi is solid, but Daunt counters that Tanner is the one in error.
Shows the reversal of assumptions between the detective and the solicitor.
“What if the business were blackmail? It had a nasty enough look.”
Tanner wonders if the case involves blackmail, which seems plausible but troubling.
Introduces the blackmail theory as a possible motive.
“The wrong man had been murdered!”
Tanner realizes that if blackmail were the motive, Sir William's death makes no sense.
Highlights a logical flaw in the blackmail hypothesis.
