
A team of investigators links CCTV, home surveillance, police body camera, and mobile phone footage that builds the evidence necessary to catch a killer.
Two women are killed, and all evidence suggests their husbands are involved with their untimely deaths.
Surveillance footage plays a central role in tracking down the killers in two murder cases.
The murder of a couple is caught on camera; in the UK, a long-standing feud turns fatal.
In the U.S., a man desperately calls the police for help after he gets attacked; police work to crack the case using security footage and phone tracking; in the U.K., a dog lover is found murdered in her rural home.