Line of Duty's sixth series concluded on Sunday, with H unmasked at last, and many burning questions that have been eating away at viewers were answered - though not all of them.
H was unveiled as DCI Ian Buckells, who admitted he was taking orders from the OCG, and was the "fourth man" after DI Matthew ‘Dot’ Cottan, Senior Legal Counsel Gill Biggeloe, and ACC Derek Hilton were revealed to be the other three in charge.
Buckells admitted he passed on orders from the OCG, and boasted that he had "made mugs" of the OCG all along. Jo Davidson found out that Tommy Hunter, the leader of the OCG, was both her father and her uncle - and he had groomed her to be a mole in the police, and she was devastated when she found out the truth about her
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