Silent Witness

RAF helicopter crashes onto a detention center for asylum seekers.

Harry is obsessed with proving the pilot's innocence and searches for the cause of the crash.

When the mutilated body of a young boy is pulled from the river, Leo is determined to give him an identity and to bring his killers to justice.

Leo searches for the killers of a young boy, despite racial tensions; Nikki turns to the boy's doctor.

The murder of an unknown victim leads the team to a hospital, where a top paediatric surgeon has an unusually high mortality rate.

The team wonders whether more than one killer may be at large in the hospital.

Nikki revisits a controversial case after a female murderer is killed.

Nikki revisits a case from the past when a girl she proved innocent of murder is herself murdered.

Nikki continues with the Paula Colebrook case; Harry investigates two bodies discovered in a garden.

Nikki clashes with DCI Mays over the guilt of a gypsy he suspects of a double murder.

Nikki and Mays cannot agree if the gypsy's death was suicide or murder.