by John Pennington
Starring Marius Goring
with Ann Morrish
and Victor Winding, Michael Farnsworth, Valerie Murray
Guest stars, Anthony Valentine Kenneth Farrington, John Collin, John Bailey

Dr. John Hardy, as an Expert Witness in a murder trial, is personally involved in tracing a ruthless psychotic killer who is employed by the accused in an attempt to suborn witnesses. Dr. Hardy is determined to give his evidence, but the police, realising the dangers, have taken the precaution of issuing firearms to protect his life.
(Colour)