Lewis Clark grew up in a crime-ridden neighbourhood and followed in his father's footsteps as a prolific criminal. Having served 16 years in prison for armed robbery, he's determined to help other young people avoid the same path.
13-year-old Leona Whitworth was a particularly vulnerable child. However, she had her 'best friend' Amanda Spencer, 18, not knowing Amanda would snare her into a depraved child sex ring.
Rugby coach Wes Cunliffe is known throughout Cardiff as a bubbly, lovable rogue. It is a far cry from his days as a 'county lines' drugs kingpin who spent 'every other day in handcuffs', and who was stabbed multiple times by gang rivals.
Stacey Foyster quit her high-flying job as a financial analyst to become a crime scene cleaner. She takes pride in making houses livable again and bringing a sense of relief to families after a tragedy.
Rajbir Dhillon sat in the temple, seething with anger as her uncle and his mother gazed at her with 'puppy-dog eyes'. They had murdered her beloved Aunt Surjit, and Raj knew it.
Connor Fitzgerald was 19 when the police handcuffed him in front of his mother and sister on suspicion of rape. After spending a year in prison, he was eventually released when his brother found messages that undermined the accuser's case.
Paramedic Deena Evans had been called to a concern-for-welfare check when Martyn Smith ambushed her and a colleague with two 18-inch knives, stabbing her through the chest.
Tanaka Mhishi went home with a blind date with the intention of having sex. Tanaka repeatedly told him no, but the man, who was a lot bigger than him, raped him. He went to the police but his case amounted to nothing.