S04E04 Episode 4 Line of Duty
calendar_today 2012. Jed Mercurio.
people Martin Compston. Vicky McClure. Adrian Dunbar. Craig Parkinson.
Roz's husband Nick is brought in for questioning by AC-12. But while Nick denies any involvement in Steve's attack, his suspicions about Roz mount. Meanwhile, AC-12 discover new anomalies in the forensic evidence and issue DCI Roz Huntley with a second Reg 15 notice. AC-12's case appears watertight until Roz starts dismantling their evidence with inside information of her own.