The Sign of Four - Part Seven
Sherlock & Co.
Deep Dive
Why did Sherlock and the co-investigation between Interpol and Scotland Yard focus on deciphering the word 'Aurora'?
Tonga was trying to communicate something crucial, and 'Aurora' was the key to finding Tonga and the Surakula.
What significant discovery was made at the house of Mohinder Singh?
A bedroom where Toner was being held was discovered, confirmed by Toner's possessions and signs of a struggle.
What did the security footage reveal about Toner's situation?
Toner was mouthing the word 'Aurora' to the security camera, indicating it held significance for their location or the diamond's whereabouts.
Why was Agent Anthony Jones's sudden disappearance during the investigation concerning?
He disappeared when a man he had been hunting for most of his career was poisoned, and he did not pursue the killer, raising suspicions about his involvement.
What role did the irregulars play in the investigation?
They provided valuable information and data, acting as a powerful surveillance network without the constraints of bureaucracy.
How did the music box found in Toner's room connect to the case?
The music box belonged to Mary and was part of her father's stash, indicating Toner's connection to the Sign of Four and the diamond's possible location.
Why was Toby, the search dog, crucial to the investigation?
Toby's tracking abilities were used to follow the scent from Toner's hat to locate his last known whereabouts, aiding in the search for him.
What was the significance of the word 'Aurora' in Toner's message?
It was a clue that could lead to the diamond's location, possibly linked to a rare event involving the aurora borealis seen in India.
How did the investigation team confirm Toner's message to the security camera?
Three independent experts confirmed that Toner was mouthing the word 'Aurora,' validating it as a critical clue.
What was the major breakthrough in the case involving Mohinder Singh's house?
The discovery of Toner's captivity and the subsequent security footage revealing his message were pivotal moments in the investigation.
- Tonga is trying to communicate a message.
- The word 'Aurora' has multiple meanings.
- The investigation involves Interpol and Scotland Yard.
Shownotes Transcript