‘Don’t spoil!’ #LineofDuty fans go into meltdown as #BBC's season 5 ...

This season of BBC hit police drama Line of Duty has had fans on the edge of their seats all the way through, and has prompted furious speculation over exactly who the OCG’s corrupt leader - H - is.

The recent favourite has been DCI Ted Hastings (played by Adrian Dunbar), but with theories abound, anything can happen.