West Midlands Police are called after staff working in a tip yard make a grisly discovery: a decomposing body in a freezer which has been brought in for disposal following a flat clearance.

When police discover 32-year-old Marlene Doyle dead in a Coventry flat after being reported missing by her mother, police turn to forensic evidence to identify her killer.

Firearms officers from West Midlands Police receive a tip off about a local man with an unexpected arsenal of firearms. Inside a bedroom wardrobe are six guns, two of which they believe are 3D-printed assault weapons.

In the early hours of a Tuesday morning in Birmingham, a man rings 999 to say he has killed his flatmate. The man is covered in blood when he is arrested outside his home, and he has a bleeding injury to his hand.