Story perspectives

Undercover Officer Admits Deceiving Activist in 5-Year Relationship

12/18/2025

Summary

Story summary

Mark Jenner, an undercover officer with the Special Demonstration Squad (SDS), admitted to deceiving Alison for five years during a relationship while infiltrating leftwing campaigns.
Jenner described his actions as "callous and cruel."
The relationship helped him gain trust among anti-racist activists.
Jenner's deployment lasted from 1995 to 2000.
The inquiry examines undercover officers' unethical practices, including forming sexual relationships under false pretenses.

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Story summary

Mark Jenner, an undercover officer with the Special Demonstration Squad (SDS), admitted to deceiving Alison for five years during a relationship while infiltrating leftwing campaigns.
Jenner described his actions as "callous and cruel."
The relationship helped him gain trust among anti-racist activists.
Jenner's deployment lasted from 1995 to 2000.
The inquiry examines undercover officers' unethical practices, including forming sexual relationships under false pretenses.