Police: Suspect No.1 - Season 3 Episode 2 -

In Hull, people are terrorised at home by a knife-wielding intruder and less than 24 hours later, the same victims are targeted again, but this time by two attackers, and left traumatised. DC Heather Butler must build a strong case and during the investigation, incriminating evidence is found, including a razor-sharp meat cleaver left behind at the scene. But as the case unfolds the connection between the two attackers stuns detectives.