The Beresfords and Inspector Marriot
Partners in CrimeThis flow traces the growing cooperation between an official investigator and amateur partners whose access and intuition help Scotland Yard solve difficult cases.
increasing
Bearing strength in each event
decreasing
A Professional Introduction

A Professional Introduction
Tommy's Evidence
Tommy brings photographs and a fingerprint to Scotland Yard rather than rely solely on theatrical deductions. Inspector Marriot recognizes the usefulness of the evidence.
Mutual Respect Begins
The encounter establishes a working relationship between official police methods and the agency's informal inquiries. Neither side needs to claim exclusive ownership of the solution.
A Warning from Marriot

A Warning from Marriot
Official Caution
Marriot sends Inspector Dymchurch to monitor the agency, unaware that the apparent colleague is an impostor. His concern reflects growing attention to the Beresfords' danger.
A Failed Safeguard
The deception succeeds temporarily, but Marriot remains reachable through Tuppence. The episode shows the limits of institutional information as well as its value.
The Counterfeit Assignment

The Counterfeit Assignment
A Specialized Request
Marriot recruits Tommy and Tuppence to infiltrate a fashionable set linked to counterfeit notes. The police cannot easily approach the circle without exposing their interest.
Access Through Friendship
The Beresfords use their social connections to follow the money. Their work supplies Marriot with evidence that formal surveillance alone might not obtain.
Credit for the Sunningdale Theory

Credit for the Sunningdale Theory
Marriot Listens
Inspector Marriot overhears Tommy's reconstruction of Sessle's murder and admits that the police had already suspected the Hollabys. The Beresfords supply the missing mechanism.
Cooperation Confirmed
Marriot promises to test the idea with Doris Evans. His willingness to credit them makes the partnership more than an informal favor.
Joint Capture

Joint Capture
A Departmental Net
Carter and the Secret Service arrange surveillance around No. 16, while Tommy reconstructs the failed escape and locates Tuppence. Official resources and private reasoning converge.
A Shared Outcome
The capture gives the department its target and returns Tuppence to Tommy. Cooperation survives the danger because each side recognizes the other's contribution.
During the Pink Pearl investigation
During the sinister stranger case
Middle of the agency's operation
At the A.B.C. shop during lunch
At the final operation