Season 4
10 episodes
47 min. per episode
Where to watch
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A brilliant forensic scientist races against time, unraveling chilling clues while confronting personal demons from her past.
Episodes
SASHA MARSDEN Just streets away from the neon lights and fairground rides of Blackpool, police rush to the scene of a fire in an alleyway and make a discovery. The burning body of a teenage girl. She's identified through DNA as missing 16 year-old Sasha MARSDEN.
A father and son are found murdered in South Carolina, shot at point-blank range. DNA found at the crime scene leads investigators to uncover a deadly plot driven by greed, solved using genetic genealogy.
When a 72-year-old woman is found dead in her bed in Leicestershire, police find DNA evidence linking a suspect. With no confirmed cause of death, the team uses an advanced forensic method to solve the case.
When 82-year-old Mohammed Saleem is fatally stabbed in Birmingham and a series of explosions targets mosques in the West Midlands, counter terrorism officers uncover a hate-fueled campaign.
When 17-year-old Connor Lyons is found dead with no obvious injuries and no witnesses, detectives uncover a disturbing truth, using microscopic evidence to trace the killer.
Every killer leaves some clue to their identity, scene of crime officers just have to find it. The series examines murder investigations through the eyes of the scientists who collect and analyse evidence the killers left behind.