The US is unlikely to be offered more than a 20% role because to give greater participation starts to unpick all the definition work that's been done to date, and risks delaying the launch.

BBC: Dark discussion ahead for Europe and US

The definition of the imposter syndrome is when people feel inauthentic in their role.

FORBES: Why Can't We Just Be Real? Overcoming the Imposter Syndrome

He argued that it was his role as a senior chief constable to "talk about topical issues and by definition that involves issues that are political".

BBC: Brunstrom on his pride and regret