ScreenDog Productions’ two-part documentary for BBC Three and BBC One, in which Stacey Dooley embeds herself with a specialist police stalking unit in Cheshire and a victim support organisation. Across the two films she follows cases of ex-partner stalking and stranger stalking, meeting victims whose lives have been devastated and perpetrators both in and out of prison, to understand why incidents are doubling and what it takes to stop them. Watched by 1.4 million on BBC One.