Silent Witness: Identity (Part 1 of 2)

Part one of two. A severed finger is brought to the Lyell Centre by DCI Rory Goodchild and immigration enforcement officer Pia Butler, who ask Nikki and Thomas to test for a DNA match with 17 year-old Syrian illegal immigrant Akka Khoury. The teenager was sent the digit by a people-smuggler who claims to have her mother and is demanding money for her safe return. Meanwhile, Akka's 12 year-old cousin Sosa is trying to enter the UK illegally hidden in a van on a cross-channel ferry. Emilia Fox stars