Silent Witness

A new murder victim forces the team to consider whether a notorious serial killer has resurfaced after 20 years, or if they are dealing with a copycat. Nikki and Jack investigate a murder bearing all the hallmarks of a notorious serial killer. When Nikki meets Charles Beck, the pathologist who conducted the original post-mortems, she discovers his wife was the suspected fifth victim of the serial killer, but nobody believes him when he claims he knows where to find her body.

When a woman's body is removed from a reservoir, Nikki performs the post-mortem and confirms she is the deceased wife of pathologist Charles Beck. Jack and Velvy discover new evidence that leads to a surprising arrest as Nikki continues to seek the truth about notorious serial killer Calvin Dunn.

The team pieces together the mystery of a man found dead on the shore of the Thames, while the life of a disgruntled criminology professor begins to unravel. The team works on a suspected suicide, but the investigation raises more questions than it answers. Gabriel has an exciting new opportunity, both professionally and personally, and enlists Jack's help. When a disgruntled professor of criminology is passed over for promotion, events take a truly sinister turn and the interview panel begins to be targeted. Could a member of the Lyell be next?

Events continue to spiral at the university, and Cara becomes collateral damage. The riddle of the body in the Thames is solved. A breakthrough in the Cherry case is received from an unlikely source, but will the team get there before it is too late?

The team investigate the body of a woman found in a flat after being dead for a year. As they seek to find out the truth of her identity and what happened to her, they must draw on all their forensic and pathology knowledge to solve the case. Even if the world had forgotten her, the Lyell are determined she must get justice.

Nikki and Jack work to uncover the truth surrounding a death and consider if it's linked to their original body. Meanwhile, DI Torres searches for a stalker, and Cara is shocked at Velvy's living conditions. As the case comes to a head, there are surprises afoot for the team.

The team investigate the death of a Burmese man on a deserted beach, whose young pregnant wife desperately hopes is still alive. Nikki and Jack piece together the perplexing crime scene and find it poses more questions than it answers.

Nikki makes a breakthrough, but can the team believe everything they are told? The Lyell is compromised in an unexpected way as the team strive to find out who the man on the beach was and why he was killed. In a dark and chilling story, they must unite to discover the truth and, above all, trust no-one.

The Lyell are called to King's Cross Station Museum, where they discover the bodies of eight victims entombed below. With the knowledge that a prolific serial killer was operating in London nearly 20 years ago, Nikki and the team know this will be a case like no other.

Nikki continues to try to identify the last of the remaining bodies, in an effort to uncover any connections and find a motive, while Jack and the police begin to look into several two-decade-old missing-persons cases in the hope that they might reveal the identity of the man dubbed ‘The King's Cross Serial Killer'.