Murder victim Julie Hogg's body is found decomposing behind her bath, after she was reported as missing for three months. Homicide detectives take us back to the Incident Room, to reveal how this harrowing case unfolded.

Detectives and family members tell the tragic story of Wendy Speakes, a mum who was found dead in her Wakefield home in 1994, having done nothing more than open her door to a stranger.

19-year-old Aya Hachem was walking to the supermarket. At the same time, a car was driving down the road, in the back seat a gunman with murderous intent. Aya was not the intended victim but caught in the crossfire of a contract assassination.

In 2013, 17-year-old Jayden Parkinson went missing from her hostel in Oxford. Detectives suspect she was murdered, and have a lot questions for her ex-boyfriend. Has Jayden been killed and, if so, where is her body?

Detectives in the Incident Room must work tirelessly to track down and bring to justice four ruthless teenagers who killed 63-year-old Gurmail Singh in his Huddersfield corner shop.

In Swindon, 60-year-old Tom Rogers was brutally stabbed by a stranger. Investigators piece together every shred of evidence to see whether the killer has attacked before.