Only moments before the round table she told Traitor Rachel Duffy her secret policing identity.

“As soon as I found out [she was a Traitor] my jaw hit the ground,” she said.

“You form friendships and bonds. And, unless people give you reason not to trust them, personalities come together.

“She’s a formidable character.”

Despite saying she was “very adept at covert policing” Collier failed to identify a single Traitor.

The revelation that she was a former police officer sparked a dramatic and unprecedented confrontation between two Traitors, Duffy and Fiona Hughes.

“That was just unbelievable,” said Collier.

“They are team traitors. But that’s the game.

“If you get a thought in your head that someone isn’t playing the team game, it suddenly becomes self-preservation.”