52-year-old Sharon Birchwood was killed at her home in the sleepy village of Ashtead, Surrey. In December 2007, Sharon was found by her ex-husband, strangled to death and trussed up in parcel tape. Through interviews with the senior investigating officer and those who worked on the case, we learn how a case spanning two continents was solved and the killers brought to justice.

Jody Dobrowski was just 24 when he was brutally murdered in an attack so cruel, he could only be identified through fingerprints. He was walking across Clapham Common when he was beaten to death on 14th October 2005. Hill investigates the heart-breaking circumstances with SIO Nick Scola and takes us inside the incredible police work.

Former fisherman Maheswaran Kaneshan sought asylum in the UK but became caught up in a gang feud that turned deadly. His life was controlled by the gang that had brought him to London. He lived in cramped accommodations, worked for little money, and was therefore struggling to repay them. A seemingly innocent job opportunity at a petrol station was the spark that lit a deadly fuse that led to Maheswaran’s murder. Gang bosses Sivajodi Anantharaja and Sivapragasam Rajeskanna brutally beat Maheswaran, causing him to die in hospital 10 days later. They remained at large for two years until Rajeskanna was found and arrested on international warrants. Hill speaks with dedicated investigators to examine how Sri Lankan authorities worked alongside UK officers to bring justice for Maheswaran and his loved ones.

Dean Mayley was an innocent man with learning difficulties doing his best to become an independent adult. His newly found independence saw him become the victim of a horrific attack by four teenage boys aged 17-19 in broad daylight. In February 2014, whilst walking home alone, Dean encountered the group, who taunted, mugged, and stabbed him with such force that the knife passed through his body and came out the other side. Hill discusses the case with SIO Matt Bonner, who was motivated by a desire to bring justice to those involved in this extreme and cruel-natured crime. He waded through CCTV footage, undertook interviews, pressured prime suspects, and uncovered phone records until he found his culprits.