A SPYCOP who allegedly duped a teenage activist into a sexual relationship would be under investigation for gross misconduct if he was still an officer, the Metropolitan Police admitted today.

An internal investigation by Scotland Yard upheld a complaint made by the woman, known only as “Jessica,” that she was deceived into a sexual relationship by Andy Coles.

Jessica was just 19 when she started a relationship with the undercover cop while part of an animal rights group in the 1990s.

She believed he was 24-year-old Andy “Davey,” a removal van driver and vegan.

In reality he was a 34-year-old married officer in the Special Demonstration squad, a Metropolitan Police unit which infiltrated protest groups.

Mr Coles resigned as deputy police and crime commissioner for Cambridgeshire and Peterborough after his identity was exposed in 2017.

However he is still a Conservative councillor in Peterborough Council.

Speaking in an interview with the BBC, Jessica said she suffers from nightmares as a result of discovering her first boyfriend was an undercover police officer.

“I have problems sleeping and some pretty awful nightmares,” she said. “I’m on medication now and just have to find my way through it.

“If I had known who he really was, he wouldn’t have got through the front door. It would never have happened.”

The Met’s internal investigation found that if he was still serving, Mr Coles would face a hearing for alleged gross misconduct, a sackable offence if found guilty.

Although Jessica said she was “pleased” her complaint was upheld, she wanted to see Mr Coles and his superiors held accountable for “systematic and institutionalised sexism in the police.”

The outcome of the investigation comes ahead of a court case by Katy Wilson, who was also deceived into a sexual relationship by spycop Mark Kennedy a decade after Jessica met “Davey.”

Ms Wilson, who will appear at the Royal Courts of Justice next week, claims that the police violated her human rights in a case which could result in a change in the laws around relationships by undercover police.

She is one of eight women who won a historic apology from the Met over their relationships with undercover police.