The Expert

The Witness: Part 1: Threats (2x15)

Air date: Jul 11, 1969

When Jo Hardy's car is run off the road by a lorry it may be that the driver is guilty of dangerous driving. But when Dr. John Hardy receives a letter threatening his wife's life and demanding that he changes his evidence in an important murder trial, it can be seen as a technique of persuasion. Hardy refuses to be suborned but it is at the risk of his wife's life. Guest stars John Bailey, Kenneth Farrington and Anthony Valentine.