With each episode set in a single interview room, its meaty exploration of thorny modern dilemmas and brilliant performances by Sophie Okonedo and Kunal Nayyar elevate the Netflix dramaCriminal (Netflix) has returned to shake up the ever-familiar police procedural once again by stripping it back to bare-bone basics. As in the first season, each episode deals with a different case. There is no scene-setting or multiple locations or backstories. We do not see what has happened; we only hear about it, from the person being questioned. We go straight in to the middle of an interview, set mostly in one room. It is all neon lights and video screens, crackling sound and closeups. It is a podcast with bells and whistles and the frequent air of a Line of Duty interrogation scene.This time, there are four episodes rather than three and, even though the first run was an international affair,