UK is the most surveilled place in the world. It is home to more than 6 million CCTV cameras -- about 1 for every 14 people -- that operate 24/7 and generate more than 1 billion hours of video every week. Crime reporter Nick Wallis tells us how UK police uses this vast surveillance network for active crime prevention as well as tracking down outlaws.

Minor incidents - huge impact. The gob-smacking stories of ordinary coppers who stumbled upon key pieces of evidence and helped take down major criminals.

Documentary following the officers of Britain's biggest and busiest police service as they deal with life, death, crime and its victims, all across the capital.

British true crime documentary series using powerful and emotional testimony from families and friends when a missing persons enquiry turns into a murder investigation.

Exploring the intricacies of producing irrefutable evidence, conducting interviews and finding ways to make the guilty confess.

The next generation crime series revealing the ground-breaking police techniques used to solve murders on Britain's streets.

Liverpool, 2022 - Ashley Dale and nine-year-old Olivia Pratt-Korbel are shot dead at home, victims of feuding gangs. Can the police bring the killers to justice?