TV Review – Line Of Duty: If you don’t know your CHIS from your MIT then you might be left thinking OMG

© BBC/World ProductionsDC Bishop (Shalom Brune-Franklin), DCI Davidson (Kelly Macdonald), DCI Buckells (Nigel Boyle) and DS Arnott (Martin Compston)
DC Bishop (Shalom Brune-Franklin), DCI Davidson (Kelly Macdonald), DCI Buckells (Nigel Boyle) and DS Arnott (Martin Compston)