Revealed: undercover UK police officer deceived woman into 19-year relationship

• Officer concealed real identity and had child with woman
• Avon and Somerset police waited years before telling victim
• Family accuse force of bullying and attempted cover-up
• Watchdog understood to be investigating senior officers

An undercover police officer used his fake identity to deceive a woman into a 19-year relationship in which they became partners and had a child together, the Guardian can reveal.

The officer concealed his real identity from the woman for the duration of that period, never telling her his real occupation, and using his fictitious identity on the birth certificate of their son.