: If you're planning to watch it later without internet, check if your chosen platform allows downloads.
Arnott goes undercover into Waldron’s unit. The tension is immediate: Waldron runs his team like a cult, lives alone, and shows signs of severe psychological trauma. The episode ends with a shocking, cold-blooded execution by Waldron of a restrained suspect, witnessed by Arnott – leaving AC-12 with a terrible choice: expose him or use him. line of duty s03e01 720p