Kate Beagley: Kate Beagley's body - stabbed 31 times - was found after a seemingly innocent date in 2007. Soon, police unmasked a killer with no obvious motive.
Pennie Davis: After Pennie Davis' body was found in 2014, police pieced together her movements before a story unravelled of a deadly grudge and a hired hitman.
Julia James: Julia James' body was found near her Kent home in 2021, sparking a huge manhunt. Ten days on, a local's quick-thinking helped police make an arrest.
Frankie Fitzgerald: In 2022, the body of Frankie Fitzgerald was found. Soon after, details filter emerged of a toxic relationship and a serial killer obsession.
Louise Rump: After the body of mum-of-two Louise Rump is found, CCTV footage and disturbing information on the victim's phone lead to a breakthrough in the case.
Clair Ablewhite: Police had little to go on after Clair Ablewhite was found stabbed to death. But a neighbour's crucial CCTV breakthrough led to an arrest.
Abi Fisher: In 2020, the body of teacher Abi Fisher was found in the undergrowth. A search of her phone gave police vital clues as they closed in on her killer.
Satnam Singh Blugher: Satnam Singh Blugher's body was found in the diner he ran in 2017. Police soon discovered one of the workers had fled dragging a suitcase.
Diane Chenery-Wickens: The village of Duddleswell was rocked when TV make-up artist Diane Chenery-Wickens was killed. Before long, police tightened the net to unmask a killer.
Freda Walker: A quiet suburb is rocked when Freda Walker, 86, is found dead and her husband critically injured. It's not long before a suspect is in the frame