Silent Witness is back on BBC One and in Vanishing Point, Nikki Alexander (played by Emilia Fox) finds herself caught up in a crisis where a passenger on the plane she is travelling on comes down with a potentially deadly illness. While the team in London investigate a similar case in India, Nikki has no choice but to perform an autopsy while the passenger is still alive. The latest story welcomes back David Caves as Jack Hodgson and Maggie Steed as Harriet. Francesca Mills also returns as