Killer at the Crime Scene

Officers from the Metropolitan Police discover two frozen bodies locked in a freezer. Will the forensic analysis of the evidence and the crime scene, help them identify the killer and bring them to justice?

A body found in a ditch by a dog walker in 2013, became the first in a series of dead bodies discovered, kick starting a police investigation to track down a serial killer on the loose.

When a carer finds a vulnerable man dead in his bedroom surrounded by blood splatter, authorities declare a crime scene and begin an investigation but run into difficulties as they are confronted by clear signs of a thorough clean-up.

When a motorist finds a foul-smelling suitcase they call the police. But the corpse within proves difficult to identify until the authorities make a breakthrough.

After a 17-year-old is found dead in the kitchen of her own home, the forensic team's first lead is that there has been a sloppy attempt at clean-up where the murderer has poorly tried to stage the death as suicide.

Police officers respond to reports of violent disorder in a south London residential street involving a large group wielding axes, knives and lumps of wood, attacking cars and people.

Only yards away from her home in Rochdale, 65-year-old Eileen Jawczak is found brutally murdered. But despite an extensive forensic recovery, CSIs cannot uncover any promising leads.

After a brutally murdered oil rig worker is found in a burnt-out car, a quiet Scottish town soon becomes inflamed with rumors and fear.

A university lecturer's murder, stabbed to death in a park, marks the start of a killer's reign of terror as more stabbings follow--with authorities scrambling to respond.

Dental records show a corpse's identity to be a woman who supposedly died over three years ago from a brain aneurysm.

A boy out on his bike is stabbed by a random stranger with the blade breaking off in his chest, leaving authorities to search for his assailant.

Police respond to what seems to be a hit-and-run leaving three men critically wounded, but while teams begin to gather evidence one dies in hospital.