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Undercover Cop's 5-Year Deception Uncovered in Spycops Inquiry

12/10/2025

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Summary

Story summary

Mark Jenner, an undercover police officer, deceived leftwing activist Alison by entering a five-year relationship while concealing his identity.
He lived with Alison in Hackney, attended family events, and was married to another woman.
In 2000, Jenner feigned a nervous breakdown and disappeared.
Alison conducted extensive research that uncovered his identity as a police spy.
The spycops inquiry examines undercover deception in political campaigns.

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Story summary

Mark Jenner, an undercover police officer, deceived leftwing activist Alison by entering a five-year relationship while concealing his identity.
He lived with Alison in Hackney, attended family events, and was married to another woman.
In 2000, Jenner feigned a nervous breakdown and disappeared.
Alison conducted extensive research that uncovered his identity as a police spy.
The spycops inquiry examines undercover deception in political campaigns.