
After the critical and popular success of shows such as Happy Valley and Line of Duty, the best streaming services and their broadcaster proprietors are falling over themselves to commission new police and crime dramas in the hope of making another massive hit.
That's not always successful – the BBC's recent Granite Harbour was laughably bad and borderline unwatchable, Sky's Gangs of London increasingly resembled a cheese-fuelled fever dream as Season 2 progressed and the BBC's The Responder did its best but felt rather patchy – but it looks like the BBC might just have cracked it this time.