Elle Edwards is enjoying a night out with friends and family in a local Merseyside pub. Shortly before midnight, she steps outside for some fresh air. Minutes later, she would be killed, struck down in a torrent of machine gun bullets.

In June 2020, as the country is enjoying a short respite from COVID restrictions, three men are fatally stabbed at a park in broad daylight. But the nation's shock at the terrorist attack soon turns to anger, as details of the killer are revealed.

Jack Lis is at his friend's house when he is attacked by an aggressive dog. Despite medical intervention, his injuries are catastrophic. Jack's death is one of the first in a series of deadly dog attacks that are sweeping the country.

The death of Shakira Spencer was the culmination of systematic cruelty at the hands of people she originally believed to be friends. Shakira was isolated, tortured, and abused during a time when people were rarely allowed to visit one another.

The brutal murder of 16-year-old Brianna Ghey shocked the nation, and the world. Brianna was manipulated by her killers, who posed as friends to lure her to her death.

A father-son trip to the capital ends in horror as 51-year-old Lee Pomeroy falls victim to a ferocious knife attack on a commuter train. The attacker, who is known to mental health workers, flees the scene as police scramble to track him down.