Final answer:
The provided text excerpts do not contain sufficient information to determine what the Count did after receiving an anonymous warning about a robbery at his home in Paris.
Step-by-step explanation:
The question refers to a scenario in which a Count, likely a character in a work of fiction, receives an anonymous warning about a potential robbery at his home in Paris. The provided excerpts, however, do not detail the specific actions that the Count takes after receiving this warning.
Instead, they describe various scenes involving police investigations and criminal activities, like the anecdotes from Cassius Dio and the situation with serious riots in Clichy-sous-Bois.
Therefore, without additional context or the specific text reference, it is impossible to accurately determine what the Count did after receiving the warning.
The passages suggest themes of crime and investigation, with characters engaging in deception and countermeasures, but do not provide a clear answer to the question posed.