First Prison Officer is a fictional character portrayed by Timothy Block in the TV series Silent Witness.
They appear in 1 episodes out of a total of 247 aired so far
Episodes1
Long Days, Short Nights: Part 2
episode S1.E4 february 1996Sam continues her investigation into Mark James' murder. When another of Sebatian Bird's one-time friends is killed the police are ever more convinced of his guilt and grow increasingly frustrated at Sam's inability to provide them the evidence that they are sure is there. The solution lies in an old case and someone's desperate need for revenge.