Portsmouth

The Investigator: A British Crime Story is an ITV documentary series hosted by Mark Williams-Thomas, reopening cold case murders including the 1985 disappearance of Carole Packman and the 1977 World's End killings.

Nightmare Next Door is an anthology true crime series streaming on Tubi and Plex that investigates unrelated small-town murders across the US, with 100+ episodes since 2011.